Native functions and a standard library

Cargo.toml

@@ -6,6 +6,7 @@ members = [
     "parse",
     "value",
     "eval",
+    "stdlib",
     "rimu",
     "repl",
     "cli",
@@ -40,6 +41,10 @@ path = "parse"
 version = "0.1.0"
 path = "value"
 
+[workspace.dependencies.rimu-stdlib]
+version = "0.1.0"
+path = "stdlib"
+
 [workspace.dependencies.rimu-eval]
 version = "0.1.0"
 path = "eval"

cli/src/main.rs

@@ -9,7 +9,7 @@ use std::{
 
 use clap::Parser;
 use clio::*;
-use rimu::{evaluate, parse, Environment, ErrorReport, SourceId, Value};
+use rimu::{evaluate, parse, Environment, ErrorReport, SerdeValue, SourceId, Value};
 
 #[derive(Debug, Clone, Copy)]
 enum Format {
@@ -57,7 +57,7 @@ fn main() -> std::result::Result<ExitCode, Box<dyn Error>> {
     let env = if let Some(mut env_arg) = args.env {
         let mut env_string = String::new();
         env_arg.read_to_string(&mut env_string)?;
-        let env_value: Value = env_string.into();
+        let env_value: SerdeValue = env_string.into();
         Environment::from_value(&env_value, None)?
     } else {
         Environment::new()
@@ -89,6 +89,8 @@ fn main() -> std::result::Result<ExitCode, Box<dyn Error>> {
             return Ok(ExitCode::FAILURE);
         }
     };
+    let value: Value = value.into_inner();
+    let value: SerdeValue = value.into();
 
     let output: String = match args.format {
         Format::Yaml => serde_yaml::to_string(&value)?,

docs/pages/lang/blocks.mdx

@@ -84,6 +84,19 @@ TODO
 
 ## Operations
 
+### Function call
+
+```rimu
+length
+  - ["a", "b", "c"]
+```
+
+A block function call receives a block as input.
+
+If the input block is a list, is assumed to be a list of arguments.
+
+Otherwise, the input block is assumed to be the first and only argument.
+
 ### `if`
 
 ```rimu

docs/pages/lang/stdlib.mdx

@@ -1,3 +1,26 @@
 # Standard Library
 
-TODO
+## length
+
+```rimu
+let
+  list: ["a", "b", "c"]
+in
+  length(list)
+```
+
+## map
+
+```rimu
+map
+  list: range({ start: 5, end: 10 })
+  each: (item) => item * item
+```
+
+## range
+
+```rimu
+range
+  start: 0
+  end: 10
+```

docs/pages/roadmap.mdx

@@ -63,6 +63,7 @@
 
   - Operations
 
+    - [x] Call Function: [pull#58](https://github.com/ahdinosaur/rimu/pull/58)
     - [x] `let`: [pull#8](https://github.com/ahdinosaur/rimu/pull/8)
     - [x] `if`: [pull#7](https://github.com/ahdinosaur/rimu/pull/7)
     - [ ] `switch`: [issue#47](https://github.com/ahdinosaur/rimu/issues/47)
@@ -78,7 +79,9 @@
 
 - Standard Library
 
-    - [ ] `map`: [issue#49](https://github.com/ahdinosaur/rimu/issues/49)
+    - [x] `length`: [pull#65](https://github.com/ahdinosaur/rimu/pull/65)
+    - [x] `range`: [pull#65](https://github.com/ahdinosaur/rimu/pull/65)
+    - [x] `map`: [issue#49](https://github.com/ahdinosaur/rimu/issues/49) -> [pull#65](https://github.com/ahdinosaur/rimu/pull/65)
     - [ ] `mapValues`: [issue#50](https://github.com/ahdinosaur/rimu/issues/50)
     - [ ] `filter`: [issue#51](https://github.com/ahdinosaur/rimu/issues/51)
     - [ ] `flatten`

docs/pages/tutorial.mdx

@@ -18,8 +18,8 @@ If we wanted to [make a star](https://www.turtleacademy.com/programs/40499):
 - forward: 50
 
 - map
-    list: range(5)
-    each:
+    list: range({ end: 5 })
+    each: () =>
       - right: 144
       - forward: 50
       - left: 72
@@ -89,8 +89,8 @@ Now to describe our star:
   forward: 50
 
 - map
-    list: range(5)
-    each:
+    list: range({ end: 5 })
+    each: () =>
       - action: "rotate"
         right: 144
       - action: "move"