Release 0.4.7

CHANGELOG.md

@@ -10,6 +10,10 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+## [0.4.7] - 2021-04-17
+
+- [Support compiling with `RUSTFLAGS='-Z assume-incomplete-release'` on nightly compiler.](https://github.com/taiki-e/const_fn/pull/35)
+
 ## [0.4.6] - 2021-03-27
 
 - Fix compatibility issues with const generics.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "const_fn"
-version = "0.4.6"
+version = "0.4.7"
 authors = ["Taiki Endo <[email protected]>"]
 edition = "2018"
 license = "Apache-2.0 OR MIT"

README.md

@@ -64,6 +64,12 @@ pub fn optional() {
 }
 ```
 
+<!--
+TODO: document the behavior on the version on the nightly channel.
+      https://github.com/taiki-e/const_fn/issues/27
+      https://github.com/rust-lang/rust/pull/81468
+-->
+
 ## Alternatives
 
 This crate is proc-macro, but is very lightweight, and has no dependencies.

build.rs

@@ -44,10 +44,8 @@ struct Version {
 }
 
 impl Version {
-    // Based on https://github.com/cuviper/autocfg/blob/1.0.1/src/version.rs#L25-L59
-    //
-    // TODO: use autocfg if https://github.com/cuviper/autocfg/issues/28 merged
-    // or https://github.com/taiki-e/const_fn/issues/27 rejected.
+    // The version detection logic is based on https://github.com/cuviper/autocfg/blob/1.0.1/src/version.rs#L25-L59,
+    // but provides a better error message.
     fn from_rustc(rustc: &Path) -> Result<Self, String> {
         let output =
             Command::new(rustc).args(&["--version", "--verbose"]).output().map_err(|e| {
@@ -105,8 +103,8 @@ impl Version {
     }
 }
 
-// https://github.com/rust-lang/rust/pull/81468
 // https://github.com/taiki-e/const_fn/issues/27
+// https://github.com/rust-lang/rust/pull/81468
 fn assume_incomplete_release() -> bool {
     // Recognized formats:
     //