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Stabilize derive_default_enum

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This commit is contained in:
Jacob Pratt 2022-02-28 15:33:50 -05:00
parent e745b4ddbd
commit abf2b4c04d
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15 changed files with 38 additions and 73 deletions
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13
compiler/rustc_builtin_macros/src/deriving/default.rs
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@ -46,18 +46,7 @@ pub fn expand_deriving_default(
StaticStruct(_, fields) => {
default_struct_substructure(cx, trait_span, substr, fields)
}
StaticEnum(enum_def, _) => {
if !cx.sess.features_untracked().derive_default_enum {
rustc_session::parse::feature_err(
cx.parse_sess(),
sym::derive_default_enum,
span,
"deriving `Default` on enums is experimental",
)
.emit();
}
default_enum_substructure(cx, trait_span, enum_def)
}
StaticEnum(enum_def, _) => default_enum_substructure(cx, trait_span, enum_def),
_ => cx.span_bug(trait_span, "method in `derive(Default)`"),
}
})),