rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

syntax: Remove uses of #[feature(slice_patterns)]

Browse Source
This commit is contained in:
Erick Tryzelaar
2015-04-15 22:12:12 -07:00
parent a4541b02a3
commit ca0ee4c645
11 changed files with 73 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/libsyntax/config.rs
View File

@@ -284,8 +284,15 @@ impl<'a> fold::Folder for CfgAttrFolder<'a> {
return fold::noop_fold_attribute(attr, self);
}
let (cfg, mi) = match attr.meta_item_list() {
Some([ref cfg, ref mi]) => (cfg, mi),
let attr_list = match attr.meta_item_list() {
Some(attr_list) => attr_list,
None => {
self.diag.span_err(attr.span, "expected `#[cfg_attr(<cfg pattern>, <attr>)]`");
return None;
}
};
let (cfg, mi) = match (attr_list.len(), attr_list.get(0), attr_list.get(1)) {
(2, Some(cfg), Some(mi)) => (cfg, mi),
_ => {
self.diag.span_err(attr.span, "expected `#[cfg_attr(<cfg pattern>, <attr>)]`");
return None;