commit 76a8424864b3211e3edfa93d1b2bf772e66f07b1
author David Tolnay <dtolnay@gmail.com> Sat Apr 25 11:58:30 2020 -0700
committer David Tolnay <dtolnay@gmail.com> Sat Apr 25 18:02:16 2020 -0700
tree 44b3fa2123d970592da94ad6c3c33c1c2b39c021
parent 2410aff870e114e0095803c0d49d4c1029b5141c

Express is_valid_vector_element more compactly

syntax/check.rs

diff --git a/syntax/check.rs b/syntax/check.rs
index b53d0a4..286dbae 100644
--- a/syntax/check.rs
+++ b/syntax/check.rs
@@ -300,18 +300,10 @@
 }
 
 fn is_valid_vector_element(atom: Atom) -> bool {
-    atom == U8
-        || atom == U16
-        || atom == U32
-        || atom == U64
-        || atom == Usize
-        || atom == I8
-        || atom == I16
-        || atom == I32
-        || atom == I64
-        || atom == Isize
-        || atom == F32
-        || atom == F64
+    match atom {
+        U8 | U16 | U32 | U64 | Usize | I8 | I16 | I32 | I64 | Isize | F32 | F64 => true,
+        Bool | CxxString | RustString => false,
+    }
 }
 
 fn span_for_struct_error(strct: &Struct) -> TokenStream {