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Remove getenv warning

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This commit is contained in:
GuillaumeGomez 2015-02-05 01:03:12 +01:00
parent 7b973ba827
commit b0b4136d45
1 changed files with 3 additions and 4 deletions
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7
src/libsyntax/ext/env.rs
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@ -22,7 +22,6 @@ use ext::build::AstBuilder;
use parse::token; use parse::token;
use std::env; use std::env;
use std::os;
pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree]) pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
-> Box<base::MacResult+'cx> { -> Box<base::MacResult+'cx> {
@ -102,12 +101,12 @@ pub fn expand_env<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
} }
} }
let e = match os::getenv(&var) { let e = match env::var_string(&var[]) {
None => { Err(_) => {
cx.span_err(sp, &msg); cx.span_err(sp, &msg);
cx.expr_usize(sp, 0) cx.expr_usize(sp, 0)
} }
Some(s) => cx.expr_str(sp, token::intern_and_get_ident(&s)) Ok(s) => cx.expr_str(sp, token::intern_and_get_ident(&s))
}; };
MacExpr::new(e) MacExpr::new(e)
} }