Bump MSRV from 1.40 to 1.42, fix clippy::match_like_matches_macro

Author: newAM

.github/bors.toml

@@ -3,9 +3,9 @@ delete_merged_branches = true
 required_approvals = 1
 status = [
   "ci-linux (stable)",
-  "ci-linux (1.40.0)",
+  "ci-linux (1.42.0)",
   "rt-ci-linux (stable)",
-  "rt-ci-linux (1.40.0)",
+  "rt-ci-linux (1.42.0)",
   "rt-ci-other-os (macOS-latest)",
   "rt-ci-other-os (windows-latest)",
   "rustfmt",

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.40.0
+          - rust: 1.42.0
 
           # Test nightly but don't fail
           - rust: nightly

.github/workflows/rt-ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         # All generated code should be running on stable now
-        rust: [nightly, stable, 1.40.0]
+        rust: [nightly, stable, 1.42.0]
 
         include:
           # Nightly is only for reference and allowed to fail

README.md

@@ -11,7 +11,7 @@ This project is developed and maintained by the [Cortex-M team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.40 and up. It might compile with older versions but that may change in any new patch release.
+This crate is guaranteed to compile on stable Rust 1.42 and up. It might compile with older versions but that may change in any new patch release.
 
 ## License
 

cortex-m-rt/README.md

@@ -11,7 +11,7 @@ This project is developed and maintained by the [Cortex-M team][team].
 
 # Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.40.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.42.0 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 # License

cortex-m-rt/macros/src/lib.rs

@@ -28,10 +28,7 @@ pub fn entry(args: TokenStream, input: TokenStream) -> TokenStream {
         && f.sig.variadic.is_none()
         && match f.sig.output {
             ReturnType::Default => false,
-            ReturnType::Type(_, ref ty) => match **ty {
-                Type::Never(_) => true,
-                _ => false,
-            },
+            ReturnType::Type(_, ref ty) => matches!(**ty, Type::Never(_)),
         };
 
     if !valid_signature {
@@ -252,10 +249,7 @@ pub fn exception(args: TokenStream, input: TokenStream) -> TokenStream {
                 && f.sig.variadic.is_none()
                 && match f.sig.output {
                     ReturnType::Default => false,
-                    ReturnType::Type(_, ref ty) => match **ty {
-                        Type::Never(_) => true,
-                        _ => false,
-                    },
+                    ReturnType::Type(_, ref ty) => matches!(**ty, Type::Never(_)),
                 };
 
             if !valid_signature {

cortex-m-rt/src/lib.rs

@@ -418,7 +418,7 @@
 //!
 //! # Minimum Supported Rust Version (MSRV)
 //!
-//! The MSRV of this release is Rust 1.40.0.
+//! The MSRV of this release is Rust 1.42.0.
 
 // # Developer notes
 //

src/lib.rs

@@ -52,7 +52,7 @@
 //!
 //! # Minimum Supported Rust Version (MSRV)
 //!
-//! This crate is guaranteed to compile on stable Rust 1.40 and up. It *might*
+//! This crate is guaranteed to compile on stable Rust 1.42 and up. It *might*
 //! compile with older versions but that may change in any new patch release.
 
 #![cfg_attr(feature = "inline-asm", feature(asm))]