Merge pull request #1831 from CosmWasm/abs-diff-const

Make abs_diff const for all integers

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to
 
 - cosmwasm-std: Implement `Not` for `Uint{64,128,256}` ([#1799]).
 - cosmwasm-std: Add iterators for `Coins` ([#1806]).
+- cosmwasm-std: Make `abs_diff` const for `Uint{256,512}` and
+  `Int{64,128,256,512}`. It is now const for all integer types.
 
 [#1799]: https://github.com/CosmWasm/cosmwasm/pull/1799
 [#1806]: https://github.com/CosmWasm/cosmwasm/pull/1806

packages/std/src/math/int128.rs

@@ -206,7 +206,7 @@ impl Int128 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Uint128 {
+    pub const fn abs_diff(self, other: Self) -> Uint128 {
         Uint128(self.0.abs_diff(other.0))
     }
 }

packages/std/src/math/int256.rs

@@ -255,7 +255,7 @@ impl Int256 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Uint256 {
+    pub const fn abs_diff(self, other: Self) -> Uint256 {
         Uint256(self.0.abs_diff(other.0))
     }
 }

packages/std/src/math/int512.rs

@@ -291,7 +291,7 @@ impl Int512 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Uint512 {
+    pub const fn abs_diff(self, other: Self) -> Uint512 {
         Uint512(self.0.abs_diff(other.0))
     }
 }

packages/std/src/math/int64.rs

@@ -206,7 +206,7 @@ impl Int64 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Uint64 {
+    pub const fn abs_diff(self, other: Self) -> Uint64 {
         Uint64(self.0.abs_diff(other.0))
     }
 }

packages/std/src/math/uint256.rs

@@ -330,7 +330,7 @@ impl Uint256 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Self {
+    pub const fn abs_diff(self, other: Self) -> Self {
         Self(self.0.abs_diff(other.0))
     }
 }

packages/std/src/math/uint512.rs

@@ -295,7 +295,7 @@ impl Uint512 {
     }
 
     #[must_use = "this returns the result of the operation, without modifying the original"]
-    pub fn abs_diff(self, other: Self) -> Self {
+    pub const fn abs_diff(self, other: Self) -> Self {
         Self(self.0.abs_diff(other.0))
     }
 }