diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/env.rs')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/env.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_builtin_macros/src/env.rs b/compiler/rustc_builtin_macros/src/env.rs index e5a5e606930..6aa900f0201 100644 --- a/compiler/rustc_builtin_macros/src/env.rs +++ b/compiler/rustc_builtin_macros/src/env.rs @@ -8,8 +8,8 @@ use rustc_ast::{self as ast, GenericArg}; use rustc_expand::base::{self, *}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; - use std::env; +use thin_vec::thin_vec; pub fn expand_option_env<'cx>( cx: &'cx mut ExtCtxt<'_>, @@ -41,7 +41,7 @@ pub fn expand_option_env<'cx>( Some(value) => cx.expr_call_global( sp, cx.std_path(&[sym::option, sym::Option, sym::Some]), - vec![cx.expr_str(sp, value)], + thin_vec![cx.expr_str(sp, value)], ), }; MacEager::expr(e) |