diff options
Diffstat (limited to 'src/librustsyntax/ext/env.rs')
| -rw-r--r-- | src/librustsyntax/ext/env.rs | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/librustsyntax/ext/env.rs b/src/librustsyntax/ext/env.rs index 616c816a66d..6a4d937f083 100644 --- a/src/librustsyntax/ext/env.rs +++ b/src/librustsyntax/ext/env.rs @@ -9,17 +9,8 @@ export expand_syntax_ext; fn expand_syntax_ext(cx: ext_ctxt, sp: codemap::span, arg: ast::mac_arg, _body: ast::mac_body) -> @ast::expr { - let arg = get_mac_arg(cx,sp,arg); - let args: [@ast::expr] = - alt arg.node { - ast::expr_vec(elts, _) { elts } - _ { - cx.span_fatal(sp, "#env requires arguments of the form `[...]`.") - } - }; - if vec::len::<@ast::expr>(args) != 1u { - cx.span_fatal(sp, "malformed #env call"); - } + let args = get_mac_args(cx, sp, arg, 1u, option::some(1u), "env"); + // FIXME: if this was more thorough it would manufacture an // option<str> rather than just an maybe-empty string. (Issue #2248) |