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Add comment noting that this naive approach is not too naive.

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This commit is contained in:
Felix S. Klock II 2015-02-10 15:45:36 +01:00
parent 0b1d5f0182
commit 0a0aa11bb1
1 changed files with 3 additions and 0 deletions
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3
src/librustc_privacy/lib.rs
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@ -898,6 +898,9 @@ impl<'a, 'tcx, 'v> Visitor<'v> for PrivacyVisitor<'a, 'tcx> {
ast::ExprStruct(_, ref fields, _) => { ast::ExprStruct(_, ref fields, _) => {
match ty::expr_ty(self.tcx, expr).sty { match ty::expr_ty(self.tcx, expr).sty {
ty::ty_struct(ctor_id, _) => { ty::ty_struct(ctor_id, _) => {
// RFC 736: ensure all unmentioned fields are visible.
// Rather than computing the set of unmentioned fields
// (i.e. `all_fields - fields`), just check them all.
let all_fields = ty::lookup_struct_fields(self.tcx, ctor_id); let all_fields = ty::lookup_struct_fields(self.tcx, ctor_id);
for field in all_fields { for field in all_fields {
self.check_field(expr.span, ctor_id, self.check_field(expr.span, ctor_id,