bjoernager/rust
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Remove anon struct and union types

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This commit is contained in:
Michael Goulet 2024-09-29 22:17:30 -04:00
parent e3a0da1863
commit 40465d2449
19 changed files with 3 additions and 227 deletions
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2
compiler/rustc_builtin_macros/src/deriving/clone.rs
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@ -113,7 +113,7 @@ fn cs_clone_simple(
// Already produced an assertion for this type.
// Anonymous structs or unions must be eliminated as they cannot be
// type parameters.
} else if !field.ty.kind.is_anon_adt() {
} else {
// let _: AssertParamIsClone<FieldTy>;
super::assert_ty_bounds(cx, &mut stmts, field.ty.clone(), field.span, &[
sym::clone,

2
compiler/rustc_builtin_macros/src/deriving/mod.rs
View file

@ -124,8 +124,6 @@ fn assert_ty_bounds(
span: Span,
assert_path: &[Symbol],
) {
// Deny anonymous structs or unions to avoid weird errors.
assert!(!ty.kind.is_anon_adt(), "Anonymous structs or unions cannot be type parameters");
// Generate statement `let _: assert_path<ty>;`.
let span = cx.with_def_site_ctxt(span);
let assert_path = cx.path_all(span, true, cx.std_path(assert_path), vec![GenericArg::Type(ty)]);