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builtin.cs
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builtin.cs
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//******************************************************************************************************
// builtin.cs - Gbtc
//
// Copyright © 2018, Grid Protection Alliance. All Rights Reserved.
//
// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See
// the NOTICE file distributed with this work for additional information regarding copyright ownership.
// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this
// file except in compliance with the License. You may obtain a copy of the License at:
//
// http://opensource.org/licenses/MIT
//
// Unless agreed to in writing, the subject software distributed under the License is distributed on an
// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the
// License for the specific language governing permissions and limitations.
//
// Code Modification History:
// ----------------------------------------------------------------------------------------------------
// 05/05/2018 - J. Ritchie Carroll
// Generated original version of source code.
//
//******************************************************************************************************
// ReSharper disable InconsistentNaming
// ReSharper disable BuiltInTypeReferenceStyle
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
using static System.Math;
namespace go;
public static class builtin
{
[ModuleInitializer]
internal static void InitializeGoLib()
{
Console.OutputEncoding = Console.InputEncoding = Encoding.UTF8;
}
private static class Zero<T>
{
public static T Default = default!;
}
private static readonly ThreadLocal<bool> s_fallthrough = new();
/// <summary>
/// Predeclared identifier representing the untyped integer ordinal number of the current
/// const specification in a (usually parenthesized) const declaration.
/// It is zero-indexed.
/// </summary>
public const nint iota = 0;
/// <summary>
/// Defines a constant used to represent an always true state.
/// </summary>
/// <remarks>
/// Common use is for expression-based switch values where focus is
/// on <c>when</c> conditions and not the value itself.
/// </remarks>
public const bool ᐧ = true;
/// <summary>
/// Defines a constant to return a tuple that includes a boolean success indicator.
/// </summary>
public const bool WithOK = false;
/// <summary>
/// Defines a constant to return a tuple that includes an error indicator.
/// </summary>
public const bool WithErr = false;
/// <summary>
/// Defines a constant to return a tuple that includes a value.
/// </summary>
public const bool WithVal = false;
/// <summary>
/// nil is a predeclared identifier representing the zero value for a pointer, channel,
/// func, interface, map, or slice type.
/// </summary>
public static readonly NilType nil = NilType.Default;
/// <summary>
/// Instructs a switch case extension call to transfer control to the first
/// statement of the next case clause in an expression.
/// </summary>
/// <remarks>
/// Note that <c>fallthrough</c> is a reserved Go keyword, so it will not be
/// used as a variable name.
/// </remarks>
public static bool fallthrough
{
get
{
if (!s_fallthrough.Value)
return false;
s_fallthrough.Value = false;
return true;
}
set
{
s_fallthrough.Value = value;
}
}
/// <summary>
/// Appends elements to the end of a slice. If it has sufficient capacity, the destination is
/// resliced to accommodate the new elements. If it does not, a new underlying array will be
/// allocated.
/// </summary>
/// <param name="slice">Destination slice pointer.</param>
/// <param name="elems">Elements to append.</param>
/// <returns>New slice with specified values appended.</returns>
/// <remarks>
/// Append returns the updated slice. It is therefore necessary to store the result of append,
/// often in the variable holding the slice itself:
/// <code>
/// slice = append(slice, elem1, elem2)
/// slice = append(slice, anotherSlice...)
/// </code>
/// </remarks>
public static slice<T> append<T>(in slice<T> slice, params T[] elems)
{
return go.slice<T>.Append(slice, elems);
}
/// <summary>
/// Appends elements to the end of a slice. If it has sufficient capacity, the destination is
/// resliced to accommodate the new elements. If it does not, a new underlying array will be
/// allocated.
/// </summary>
/// <param name="slice">Destination slice pointer.</param>
/// <param name="elems">Elements to append.</param>
/// <returns>New slice with specified values appended.</returns>
/// <remarks>
/// Append returns the updated slice. It is therefore necessary to store the result of append,
/// often in the variable holding the slice itself:
/// <code>
/// slice = append(slice, elem1, elem2)
/// slice = append(slice, anotherSlice...)
/// </code>
/// </remarks>
public static slice<T> append<T>(ISlice slice, params T[] elems)
{
return (slice<T>)slice.Append(elems.Cast<object>().ToArray())!;
}
/// <summary>
/// Gets the length of the <paramref name="array"/> (same as len(array)).
/// </summary>
/// <param name="array">Target array pointer.</param>
/// <returns>The length of the <paramref name="array"/>.</returns>
public static nint cap<T>(in array<T> array)
{
return array.Length;
}
/// <summary>
/// Gets the length of the <paramref name="array"/> (same as len(array)).
/// </summary>
/// <param name="array">Target array pointer.</param>
/// <returns>The length of the <paramref name="array"/>.</returns>
public static nint cap(IArray array)
{
return array.Length;
}
/// <summary>
/// Gets the maximum length the <paramref name="slice"/> can reach when resliced.
/// </summary>
/// <param name="slice">Target slice pointer.</param>
/// <returns>The capacity of the <paramref name="slice"/>.</returns>
public static nint cap<T>(in slice<T> slice)
{
return slice.Capacity;
}
/// <summary>
/// Gets the maximum length the <paramref name="slice"/> can reach when resliced.
/// </summary>
/// <param name="slice">Target slice pointer.</param>
/// <returns>The capacity of the <paramref name="slice"/>.</returns>
public static nint cap(ISlice slice)
{
return slice.Capacity;
}
/// <summary>
/// Gets the maximum capacity of the <paramref name="channel"/>.
/// </summary>
/// <param name="channel">Target channel pointer.</param>
/// <returns>The capacity of the <paramref name="channel"/>.</returns>
public static nint cap<T>(in channel<T> channel)
{
return channel.Capacity;
}
/// <summary>
/// Gets the maximum capacity of the <paramref name="channel"/>.
/// </summary>
/// <param name="channel">Target channel pointer.</param>
/// <returns>The capacity of the <paramref name="channel"/>.</returns>
public static nint cap(IChannel channel)
{
return channel.Capacity;
}
/// <summary>
/// Closes the channel.
/// </summary>
/// <param name="channel">Target channel pointer.</param>
public static void close<T>(in channel<T> channel)
{
// An "in" parameter works here because the close method operates on channel structure's
// private class-based member references, not on value types
// ReSharper disable once PossiblyImpureMethodCallOnReadonlyVariable
channel.Close();
}
/// <summary>
/// Constructs a complex value from two floating-point values.
/// </summary>
/// <param name="realPart">Real-part of complex value.</param>
/// <param name="imaginaryPart">Imaginary-part of complex value.</param>
/// <returns>New complex value from specified <paramref name="realPart"/> and <paramref name="imaginaryPart"/>.</returns>
public static complex64 complex(float32 realPart, float32 imaginaryPart)
{
return new complex64(realPart, imaginaryPart);
}
/// <summary>
/// Constructs a complex value from two floating-point values.
/// </summary>
/// <param name="realPart">Real-part of complex value.</param>
/// <param name="imaginaryPart">Imaginary-part of complex value.</param>
/// <returns>New complex value from specified <paramref name="realPart"/> and <paramref name="imaginaryPart"/>.</returns>
public static complex128 complex(float64 realPart, float64 imaginaryPart)
{
return new complex128(realPart, imaginaryPart);
}
/// <summary>
/// Copies elements from a source slice into a destination slice.
/// The source and destination may overlap.
/// </summary>
/// <param name="dst">Destination slice pointer.</param>
/// <param name="src">Source slice pointer.</param>
/// <returns>
/// The number of elements copied, which will be the minimum of len(src) and len(dst).
/// </returns>
public static nint copy<T1, T2>(in slice<T1> dst, in slice<T2> src)
{
if (dst == nil)
throw new InvalidOperationException("Destination slice array reference is null.");
if (src == nil)
throw new InvalidOperationException("Source slice array reference is null.");
nint min = Min(dst.Length, src.Length);
if (min > 0)
{
if (typeof(T1).IsAssignableFrom(typeof(T2)))
{
Array.Copy(src.m_array, src.Low, dst.m_array, dst.Low, min);
}
else
{
for (nint i = 0; i < min; i++)
dst[dst.Low + i] = (T1)ConvertToType((IConvertible)src[src.Low + i]!);
}
}
return min;
}
/// <summary>
/// Copies elements from a source slice into a destination slice.
/// The source and destination may overlap.
/// </summary>
/// <param name="dst">Destination slice pointer.</param>
/// <param name="src">Source slice.</param>
/// <returns>
/// The number of elements copied, which will be the minimum of len(src) and len(dst).
/// </returns>
/// <remarks>
/// As a special case, it also will copy bytes from a string to a slice of bytes.
/// </remarks>
public static nint copy(in slice<byte> dst, in @string src)
{
slice<byte> bytes = src;
return copy(dst, bytes);
}
/// <summary>
/// Deletes the element with the specified key from the map. If m is nil or there is no such element, delete is a no-op.
/// </summary>
/// <param name="map">Target map.</param>
/// <param name="key">Key to remove.</param>
public static void delete<TKey, TValue>(map<TKey, TValue> map, TKey key) where TKey : notnull
{
map.Remove(key);
}
/// <summary>
/// Gets the imaginary part of the complex number <paramref name="c"/>.
/// </summary>
/// <param name="c">Complex number.</param>
/// <returns>Imaginary part of the complex number <paramref name="c"/>.</returns>
public static float imag(complex64 c)
{
return c.Imaginary;
}
/// <summary>
/// Gets the imaginary part of the complex number <paramref name="c"/>.
/// </summary>
/// <param name="c">Complex number.</param>
/// <returns>Imaginary part of the complex number <paramref name="c"/>.</returns>
public static double imag(complex128 c)
{
return c.Imaginary;
}
/// <summary>
/// Gets the real part of the complex number <paramref name="c"/>.
/// </summary>
/// <param name="c">Complex number.</param>
/// <returns>Real part of the complex number <paramref name="c"/>.</returns>
public static float real(complex64 c)
{
return c.Real;
}
/// <summary>
/// Gets the real part of the complex number <paramref name="c"/>.
/// </summary>
/// <param name="c">Complex number.</param>
/// <returns>Real part of the complex number <paramref name="c"/>.</returns>
public static double real(complex128 c)
{
return c.Real;
}
/// <summary>
/// Gets the length of the <paramref name="array"/>.
/// </summary>
/// <param name="array">Target array.</param>
/// <returns>The length of the <paramref name="array"/>.</returns>
public static nint len<T>(in array<T> array)
{
return array.Length;
}
/// <summary>
/// Gets the length of the <paramref name="array"/>.
/// </summary>
/// <param name="array">Target array.</param>
/// <returns>The length of the <paramref name="array"/>.</returns>
public static nint len(IArray array)
{
return array.Length;
}
/// <summary>
/// Gets the length of the <paramref name="array"/>.
/// </summary>
/// <param name="array">Target array pointer.</param>
/// <returns>The length of the <paramref name="array"/>.</returns>
public static nint len<T>(in ptr<array<T>> array)
{
return array.val.Length;
}
/// <summary>
/// Gets the length of the <paramref name="slice"/>.
/// </summary>
/// <param name="slice">Target slice.</param>
/// <returns>The length of the <paramref name="slice"/>.</returns>
public static nint len<T>(in slice<T> slice)
{
return slice.Length;
}
/// <summary>
/// Gets the length of the <paramref name="slice"/>.
/// </summary>
/// <param name="slice">Target slice.</param>
/// <returns>The length of the <paramref name="slice"/>.</returns>
public static nint len(ISlice slice)
{
return slice.Length;
}
/// <summary>
/// Gets the length of the <paramref name="slice"/>.
/// </summary>
/// <param name="slice">Target slice pointer.</param>
/// <returns>The length of the <paramref name="slice"/>.</returns>
public static nint len<T>(in ptr<slice<T>> slice)
{
return slice.val.Length;
}
/// <summary>
/// Gets the length of the <paramref name="str"/>.
/// </summary>
/// <param name="str">Target string.</param>
/// <returns>The length of the <paramref name="str"/>.</returns>
public static nint len(in @string str)
{
return str.Length;
}
/// <summary>
/// Gets the length of the <paramref name="str"/>.
/// </summary>
/// <param name="str">Target string.</param>
/// <returns>The length of the <paramref name="str"/>.</returns>
public static nint len(in ReadOnlySpan<byte> str)
{
return str.Length;
}
/// <summary>
/// Gets the length of the <paramref name="str"/>.
/// </summary>
/// <param name="str">Target string pointer.</param>
/// <returns>The length of the <paramref name="str"/>.</returns>
public static nint len(in ptr<@string> str)
{
return str.val.Length;
}
/// <summary>
/// Gets the length of the <paramref name="str"/>.
/// </summary>
/// <param name="str">Target channel pointer.</param>
/// <returns>The length of the <paramref name="str"/>.</returns>
public static nint len(string str)
{
return str.Length;
}
/// <summary>
/// Gets the length of the <paramref name="map"/>.
/// </summary>
/// <param name="map">Target map.</param>
/// <returns>The length of the <paramref name="map"/>.</returns>
public static nint len<TKey, TValue>(in map<TKey, TValue> map) where TKey : notnull
{
return map.Count;
}
/// <summary>
/// Gets the length of the <paramref name="map"/>.
/// </summary>
/// <param name="map">Target map.</param>
/// <returns>The length of the <paramref name="map"/>.</returns>
public static nint len(IMap map)
{
return map.Length;
}
/// <summary>
/// Gets the length of the <paramref name="map"/>.
/// </summary>
/// <param name="map">Target map pointer.</param>
/// <returns>The length of the <paramref name="map"/>.</returns>
public static nint len<TKey, TValue>(in ptr<map<TKey, TValue>> map) where TKey : notnull
{
return map.val.Count;
}
/// <summary>
/// Gets the length of the <paramref name="channel"/>.
/// </summary>
/// <param name="channel">Target channel.</param>
/// <returns>The length of the <paramref name="channel"/>.</returns>
public static nint len<T>(in channel<T> channel)
{
return channel.Length;
}
/// <summary>
/// Gets the length of the <paramref name="channel"/>.
/// </summary>
/// <param name="channel">Target channel.</param>
/// <returns>The length of the <paramref name="channel"/>.</returns>
public static nint len(IChannel channel)
{
return channel.Length;
}
/// <summary>
/// Gets the length of the <paramref name="channel"/>.
/// </summary>
/// <param name="channel">Target channel pointer.</param>
/// <returns>The length of the <paramref name="channel"/>.</returns>
public static nint len<T>(in ptr<channel<T>> channel)
{
return channel.val.Length;
}
/// <summary>
/// Creates a new slice from the specified <paramref name="array"/>.
/// </summary>
/// <typeparam name="T">Array type.</typeparam>
/// <param name="array">Source array</param>
/// <returns>New slice of the specified <paramref name="array"/>.</returns>
public static slice<T> make_slice<T>(T[]? array)
{
return new slice<T>(array);
}
/// <summary>
/// Allocates and initializes a slice object.
/// </summary>
/// <param name="size">Specifies the slice length.</param>
/// <param name="capacity">Specified slice capacity; must be no smaller than the length.</param>
public static slice<T> make_slice<T>(nint size, nint capacity = 0)
{
return new slice<T>((int)size, (int)capacity);
}
/// <summary>
/// Allocates and initializes a map object.
/// </summary>
// <param name="size">Specifies the number of map elements.</param>
public static map<TKey, TValue> make_map<TKey, TValue>(nint size = 0) where TKey : notnull
{
return new map<TKey, TValue>((int)size);
}
/// <summary>
/// Allocates and initializes a channel object.
/// </summary>
/// <param name="size">Specifies the buffer capacity.</param>
public static channel<T> make_channel<T>(nint size = 1)
{
return new channel<T>((int)size);
}
/// <summary>
/// Allocates and initializes a new object.
/// </summary>
/// <param name="p1">Size parameter.</param>
/// <param name="p2">Capacity parameter,</param>
/// <typeparam name="T">Type of object.</typeparam>
/// <returns>New object.</returns>
public static T make<T>(nint p1 = 0, nint p2 = -1) where T : new()
{
if (p1 == 0 && p2 == 0)
return new T();
Type type = typeof(T);
if (type == typeof(slice<>))
return (T)Activator.CreateInstance(type, p1, p2, 0)!;
if (type == typeof(channel<>) && p1 == 0)
p1 = 1;
return (T)Activator.CreateInstance(type, p1)!;
}
/// <summary>
/// Gets a reference to a zero value instance of type <typeparamref name="T"/>.
/// </summary>
/// <typeparam name="T">Target type of reference.</typeparam>
/// <returns>Reference to a zero value instance of type <typeparamref name="T"/>.</returns>
public static ref T zero<T>()
{
return ref Zero<T>.Default;
}
/// <summary>
/// Creates a new heap allocated copy of existing <paramref name="target"/> value.
/// </summary>
/// <typeparam name="T">Target type of reference.</typeparam>
/// <param name="target">Target value.</param>
/// <returns>Pointer to heap allocated copy of <paramref name="target"/> value.</returns>
public static ptr<T> addr<T>(in T target)
{
return new ptr<T>(target);
}
/// <summary>
/// Creates a new heap allocated instance of the zero value for type <typeparamref name="T"/>.
/// </summary>
/// <param name="pointer">Out reference to pointer to heap allocated zero value.</param>
/// <typeparam name="T">Target type of reference.</typeparam>
/// <returns>Reference to heap allocated instance of the zero value for type <typeparamref name="T"/>.</returns>
/// <remarks>
/// This is a convenience function to allow default local struct ref and <see cref="go.ptr{T}"/>
/// to be created in a single call, e.g.:
/// <code language="cs">
/// ref var v = ref heap(out ptr<Vertex> v_ptr);
/// </code>
/// </remarks>
public static ref T heap<T>(out ptr<T> pointer)
{
pointer = addr<T>(default!);
return ref pointer.val;
}
/// <summary>
/// Creates a new heap allocated copy of existing <paramref name="target"/> value.
/// </summary>
/// <typeparam name="T">Target type of reference.</typeparam>
/// <param name="target">Target value.</param>
/// <param name="pointer">Out reference to pointer to heap allocated copy of <paramref name="target"/> value.</param>
/// <returns>Reference to heap allocated copy of <paramref name="target"/> value.</returns>
/// <remarks>
/// This is a convenience function to allow local struct ref and <see cref="go.ptr{T}"/>
/// to be created in a single call, e.g.:
/// <code language="cs">
/// ref var v = ref heap(new Vertex(40.68433, -74.39967), out var v_ptr);
/// </code>
/// </remarks>
public static ref T heap<T>(in T target, out ptr<T> pointer)
{
pointer = addr(target);
return ref pointer.val;
}
/// <summary>
/// Creates a heap allocated pointer reference to a new zero value instance of type.
/// </summary>
/// <returns>Pointer to heap allocated zero value of provided type.</returns>
public static ptr<T> @new<T>() where T : new()
{
return new ptr<T>(new T());
}
/// <summary>
/// Creates a new reference for <typeparamref name="T"/>.
/// </summary>
/// <typeparam name="T">Target type of reference.</typeparam>
/// <param name="inputs">Constructor parameters.</param>
/// <returns>New reference for <typeparamref name="T"/>.</returns>
public static ptr<T> @new<T>(params object[] inputs)
{
return new ptr<T>((T)Activator.CreateInstance(typeof(T), inputs)!);
}
/// <summary>
/// Formats arguments in an implementation-specific way and writes the result to standard-error.
/// </summary>
/// <param name="args">Arguments to display.</param>
public static void print(params object[] args)
{
Console.Error.Write(string.Join(" ", args.Select(arg => arg.ToString())));
}
/// <summary>
/// Formats arguments in an implementation-specific way and writes the result to standard-error along with a new line.
/// </summary>
/// <param name="args">Arguments to display.</param>
public static void println(params object[] args)
{
Console.Error.WriteLine(string.Join(" ", args.Select(arg => arg.ToString())));
}
/// <summary>
/// Execute Go routine.
/// </summary>
/// <param name="action">Routine to execute.</param>
public static void go_(Action action)
{
ThreadPool.QueueUserWorkItem(_ => action());
}
/// <summary>
/// Exits application with a fatal error.
/// </summary>
/// <param name="message">Fatal error message.</param>
/// <param name="code">Application exit code.</param>
public static void fatal(string message, nint code = 1)
{
if (!string.IsNullOrEmpty(message))
message = $"fatal error: {message}";
#if DEBUG
throw new InvalidOperationException($"{message} [{code}]");
#else
Console.Error.WriteLine(message);
Environment.Exit((int)code);
#endif
}
/// <summary>
/// Enumerates indexes of <see cref="go.array{T}"/> <paramref name="source"/>.
/// </summary>
/// <typeparam name="T">Array type.</typeparam>
/// <param name="source">Source array.</param>
/// <returns>Enumerable of indexes.</returns>
public static IEnumerable<nint> range<T>(in array<T> source)
{
return source.Range;
}
/// <summary>
/// Enumerates indexes and values of <see cref="go.array{T}"/> <paramref name="source"/>.
/// </summary>
/// <typeparam name="T">Array type.</typeparam>
/// <param name="source">Source array.</param>
/// <param name="_">Overload marker, set to <see cref="WithVal"/>.</param>
/// <returns>Enumerable of indexes and values.</returns>
public static IEnumerable<(nint, T)> range<T>(in array<T> source, bool _)
{
return source;
}
/// <summary>
/// Enumerates indexes of <see cref="go.slice{T}"/> <paramref name="source"/>.
/// </summary>
/// <typeparam name="T">Slice type.</typeparam>
/// <param name="source">Source slice.</param>
/// <returns>Enumerable of indexes.</returns>
public static IEnumerable<nint> range<T>(in slice<T> source)
{
return source.Range;
}
/// <summary>
/// Enumerates indexes and values of <see cref="go.slice{T}"/> <paramref name="source"/>.
/// </summary>
/// <typeparam name="T">Slice type.</typeparam>
/// <param name="source">Source slice.</param>
/// <param name="_">Overload marker, set to <see cref="WithVal"/>.</param>
/// <returns>Enumerable of indexes and values.</returns>
public static IEnumerable<(nint, T)> range<T>(in slice<T> source, bool _)
{
return source;
}
// ** Type Assertion Functions **
/// <summary>
/// Type asserts <paramref name="target"/> object as type <typeparamref name="T"/>.
/// </summary>
/// <typeparam name="T">Desired type for <paramref name="target"/>.</typeparam>
/// <param name="target">Source value to type assert.</param>
/// <returns><paramref name="target"/> value cast as <typeparamref name="T"/>, if successful.</returns>
public static T _<T>(this object target)
{
try
{
if (target is string str && typeof(T) == typeof(@string))
return (T)(object)(new @string(str));
return (T)target;
}
catch (InvalidCastException ex)
{
throw new PanicException($"interface conversion: interface{{}} is {GetGoTypeName(target.GetType())}, not {GetGoTypeName(typeof(T))}", ex);
}
}
/// <summary>
/// Attempts type assert of <paramref name="target"/> object as type <typeparamref name="T"/>.
/// </summary>
/// <typeparam name="T">Desired type for <paramref name="target"/>.</typeparam>
/// <param name="target">Source value to type assert.</param>
/// <param name="_"><see cref="WithOK"/> placeholder parameter used to overload return type.</param>
/// <returns>Tuple of <paramref name="target"/> value cast as <typeparamref name="T"/> and success boolean.</returns>
public static (T, bool) _<T>(this object target, bool _)
{
try
{
return ((T)target, true);
}
catch (InvalidCastException)
{
return (default, false)!;
}
}
/// <summary>
/// Gets common Go type for given <paramref name="target"/>.
/// </summary>
/// <param name="target">Target value.</param>
/// <returns>Common Go type for given <paramref name="target"/>.</returns>
public static object type(this object target)
{
// Infer common go type as needed
return target switch
{
string str => new @string(str),
_ => target
};
}
/// <summary>
/// Gets the common Go type name for the specified <paramref name="value"/>.
/// </summary>
/// <param name="value">Value to evaluate.</param>
/// <returns>Common Go type name for the specified <paramref name="value"/>.</returns>
public static string GetGoTypeName(object? value)
{
return GetGoTypeName(value?.GetType());
}
/// <summary>
/// Gets the common Go type name for the specified <paramref name="type"/>.
/// </summary>
/// <param name="type">Target type</param>
/// <returns>Common Go type name for the specified <paramref name="type"/>.</returns>
public static string GetGoTypeName(Type? type)
{
if (type is null)
return "nil";
switch (Type.GetTypeCode(type))
{
case TypeCode.String:
return "string";
case TypeCode.Char:
return "rune";
case TypeCode.Boolean:
return "bool";
case TypeCode.SByte:
return "int8";
case TypeCode.Int16:
return "int16";
case TypeCode.Int32:
return "int32";
case TypeCode.Int64:
return "int64";
case TypeCode.Byte:
return "byte";
case TypeCode.UInt16:
return "uint16";
case TypeCode.UInt32:
return "uint32";
case TypeCode.UInt64:
return "uint64";
case TypeCode.Single:
return "float32";
case TypeCode.Double:
return "float64";
default:
{
string typeName = type.FullName ?? type.Name;
return typeName switch
{
"System.Numerics.Complex" => "complex128",
"go.complex64" => "complex64",
_ => type == typeof(object) ? "interface {}" : typeName
};
}
}
}
/// <summary>
/// Gets the common Go type name for the specified type <typeparamref name="T"/>.
/// </summary>
/// <typeparam name="T">Target type.</typeparam>
/// <returns>Common Go type name for the specified type <typeparamref name="T"/>.</returns>
public static string GetGoTypeName<T>()
{
return GetGoTypeName(typeof(T));
}
// ** Conversion Functions **
/// <summary>
/// Creates a new Go <see cref="go.array{T}"/> with specified <paramref name="length"/>.
/// </summary>
/// <typeparam name="T">Type of array.</typeparam>
/// <param name="length">Target array length.</param>
/// <returns>Go <see cref="go.array{T}"/> with specified <paramref name="length"/>.</returns>
public static array<T> array<T>(nint length)
{
return new array<T>(length);
}
/// <summary>
/// Converts C# <paramref name="source"/> array to Go <see cref="go.array{T}"/>.
/// </summary>
/// <typeparam name="T">Type of array.</typeparam>
/// <param name="source">C# source array.</param>
/// <returns>Go <see cref="go.array{T}"/> wrapper for C# <paramref name="source"/> array.</returns>
public static array<T> array<T>(T[] source)
{
return source;
}
/// <summary>
/// Converts C# <paramref name="source"/> array to Go <see cref="slice{T}"/>.
/// </summary>
/// <typeparam name="T">Type of array.</typeparam>
/// <param name="source">C# source array.</param>
/// <returns>Go <see cref="slice{T}"/> wrapper for C# <paramref name="source"/> array.</returns>
public static slice<T> slice<T>(T[] source)
{
return source;
}
/// <summary>
/// Converts C# <paramref name="source"/> string array to Go <see cref="slice{@string}"/>.
/// </summary>
/// <param name="source">C# source array.</param>
/// <returns>Go <see cref="slice{@string}"/> wrapper for C# <paramref name="source"/> string array.</returns>
public static slice<@string> slice(IReadOnlyCollection<string> source)
{
return @string(source);
}
/// <summary>
/// Converts C# <see cref="string"/> array into Go <see cref="go.@string"/> array.
/// </summary>
/// <param name="source">C# <see cref="string"/> array</param>
/// <returns>Go <see cref="go.@string"/> array from C# <see cref="string"/> array <paramref name="source"/>.</returns>
public static @string[] @string(IReadOnlyCollection<string> source)
{
return source.Select(value => new @string(value)).ToArray();
}
/// <summary>
/// Converts <paramref name="value"/> to a <see cref="byte"/>.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to a <see cref="byte"/>.</returns>
public static byte @byte(byte value)
{
return value;
}
/// <summary>
/// Converts <paramref name="value"/> to a <see cref="byte"/>.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to a <see cref="byte"/>.</returns>
public static byte @byte(object value)
{
return (byte)Convert.ChangeType(value, TypeCode.Byte);
}
/// <summary>
/// Converts <paramref name="value"/> to a rune.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to a rune.</returns>
public static rune rune(int32 value)
{
return value;
}
/// <summary>
/// Converts <paramref name="value"/> to a rune.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to a rune.</returns>
public static rune rune(object value)
{
return (int)Convert.ChangeType(value, TypeCode.Int32);
}
/// <summary>
/// Converts <paramref name="value"/> to an uint8.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to an uint8.</returns>
public static uint8 uint8(byte value)
{
return value;
}
/// <summary>
/// Converts <paramref name="value"/> to an uint8.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to an uint8.</returns>
public static uint8 uint8(object value)
{
return (byte)Convert.ChangeType(value, TypeCode.Byte);
}
/// <summary>
/// Converts <paramref name="value"/> to an uint16.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns><paramref name="value"/> converted to an uint16.</returns>
public static uint16 uint16(ushort value)
{
return value;
}
/// <summary>
/// Converts <paramref name="value"/> to an uint16.