properly import alloc::vec in no-std+alloc. Fixes #107

.circleci/config.yml

@@ -39,6 +39,9 @@ jobs:
       - run:
           name: cargo test no_std
           command: cargo -v test --no-default-features -- --nocapture
+      - run:
+          name: cargo test no_std+alloc
+          command: cargo -v test --no-default-features --features alloc -- --nocapture
 
 # Invoke jobs via workflows
 # See: https://circleci.com/docs/2.0/configuration-reference/#workflows

CHANGELOG.md

@@ -4,6 +4,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Missing macro import causing build failure on `no_std` + `alloc` feature set. Fixes [#107].
 
 ## [2.4.0] - 2024-02-25 <a name="2.4.0"></a>
 ### Added
@@ -324,6 +326,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 [#93]: https://github.com/starkat99/half-rs/issues/54
 [#100]: https://github.com/starkat99/half-rs/issues/100
 [#103]: https://github.com/starkat99/half-rs/issues/103
+[#107]: https://github.com/starkat99/half-rs/issues/107
 
 [@tspiteri]: https://github.com/tspiteri
 [@PSeitz]: https://github.com/PSeitz

Makefile.toml

@@ -43,7 +43,15 @@ args = [
 
 # Build & Test with no features enabled
 [tasks.post-ci-flow]
-run_task = [{ name = ["check-docs", "build-no-std", "test-no-std"] }]
+run_task = [
+    { name = [
+        "check-docs",
+        "build-no-std",
+        "test-no-std",
+        "build-no-std-alloc",
+        "test-no-std-alloc",
+    ] },
+]
 
 [tasks.build-no-std]
 description = "Build without any features"
@@ -56,3 +64,15 @@ description = "Run tests without any features"
 category = "Test"
 env = { CARGO_MAKE_CARGO_BUILD_TEST_FLAGS = "--no-default-features" }
 run_task = "test"
+
+[tasks.build-no-std-alloc]
+description = "Build without any features except alloc"
+category = "Build"
+env = { CARGO_MAKE_CARGO_BUILD_TEST_FLAGS = "--no-default-features --features alloc" }
+run_task = "build"
+
+[tasks.test-no-std-alloc]
+description = "Run tests without any features except alloc"
+category = "Test"
+env = { CARGO_MAKE_CARGO_BUILD_TEST_FLAGS = "--no-default-features --features alloc" }
+run_task = "test"

src/slice.rs

@@ -10,7 +10,7 @@
 use crate::{bf16, binary16::arch, f16};
 #[cfg(feature = "alloc")]
 #[allow(unused_imports)]
-use alloc::vec::Vec;
+use alloc::{vec, vec::Vec};
 use core::slice;
 
 /// Extensions to `[f16]` and `[bf16]` slices to support conversion and reinterpret operations.

src/vec.rs

@@ -12,7 +12,7 @@
 use super::{bf16, f16, slice::HalfFloatSliceExt};
 #[cfg(feature = "alloc")]
 #[allow(unused_imports)]
-use alloc::vec::Vec;
+use alloc::{vec, vec::Vec};
 use core::mem;
 
 /// Extensions to [`Vec<f16>`] and [`Vec<bf16>`] to support reinterpret operations.