diff options
Diffstat (limited to 'src/libsyntax/ast.rs')
| -rw-r--r-- | src/libsyntax/ast.rs | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs index e79e5e2ab77..f79f6cbcae2 100644 --- a/src/libsyntax/ast.rs +++ b/src/libsyntax/ast.rs @@ -453,6 +453,15 @@ type ty_method = {ident: ident, attrs: ~[attribute], decl: fn_decl, tps: ~[ty_param], span: span}; #[auto_serialize] +// A trait method is either required (meaning it doesn't have an +// implementation, just a signature) or provided (meaning it has a default +// implementation). +enum trait_method { + required(ty_method), + provided(@method), +} + +#[auto_serialize] enum int_ty { ty_i, ty_char, ty_i8, ty_i16, ty_i32, ty_i64, } #[auto_serialize] @@ -695,7 +704,7 @@ enum item_ { /* dtor is optional */ option<class_dtor> ), - item_trait(~[ty_param], ~[ty_method]), + item_trait(~[ty_param], ~[trait_method]), item_impl(~[ty_param], option<@trait_ref> /* trait */, @ty /* self */, ~[@method]), item_mac(mac), |