diff options
| -rw-r--r-- | src/libsyntax/ast.rs | 4 | ||||
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 6 | ||||
| -rw-r--r-- | src/libsyntax/fold.rs | 2 |
3 files changed, 7 insertions, 5 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs index e2a74ba4dfc..ce1302c8db8 100644 --- a/src/libsyntax/ast.rs +++ b/src/libsyntax/ast.rs @@ -190,6 +190,8 @@ pub struct TyParam { pub span: Span } +/// Represents lifetimes and type parameters attached to a declaration +/// of a function, enum, trait, etc. #[deriving(Clone, PartialEq, Eq, Encodable, Decodable, Hash)] pub struct Generics { pub lifetimes: Vec<Lifetime>, @@ -288,7 +290,7 @@ pub enum Pat_ { PatWild, PatWildMulti, // A PatIdent may either be a new bound variable, - // or a nullary enum (in which case the second field + // or a nullary enum (in which case the third field // is None). // In the nullary enum case, the parser can't determine // which it is. The resolver determines this, and diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index 31226a620ea..55bc5e3c303 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -841,9 +841,9 @@ fn expand_pat(p: Gc<ast::Pat>, fld: &mut MacroExpander) -> Gc<ast::Pat> { } } -// a tree-folder that applies every rename in its (mutable) list -// to every identifier, including both bindings and varrefs -// (and lots of things that will turn out to be neither) +/// A tree-folder that applies every rename in its (mutable) list +/// to every identifier, including both bindings and varrefs +/// (and lots of things that will turn out to be neither) pub struct IdentRenamer<'a> { renames: &'a mtwt::RenameList, } diff --git a/src/libsyntax/fold.rs b/src/libsyntax/fold.rs index f9d7078da3d..04e6612daf1 100644 --- a/src/libsyntax/fold.rs +++ b/src/libsyntax/fold.rs @@ -794,7 +794,7 @@ pub fn noop_fold_pat<T: Folder>(p: Gc<Pat>, folder: &mut T) -> Gc<Pat> { PatIdent(binding_mode, ref pth1, ref sub) => { PatIdent(binding_mode, Spanned{span: folder.new_span(pth1.span), - node: folder.fold_ident(pth1.node)}, + node: folder.fold_ident(pth1.node)}, sub.map(|x| folder.fold_pat(x))) } PatLit(e) => PatLit(folder.fold_expr(e)), |