Implement macro meta-variable expressions

2022-03-09 16:46:23 -03:00
parent 10dccdc7fc
commit 8073a88f35
17 changed files with 900 additions and 44 deletions
--- a/compiler/rustc_expand/src/lib.rs
+++ b/compiler/rustc_expand/src/lib.rs
@@ -3,6 +3,7 @@
 #![feature(crate_visibility_modifier)]
 #![feature(decl_macro)]
 #![feature(if_let_guard)]
+#![feature(let_chains)]
 #![feature(let_else)]
 #![feature(proc_macro_diagnostic)]
 #![feature(proc_macro_internals)]