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Unique vectors and boxes of pinned are unique kinds. Closes #977

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This commit is contained in:
Brian Anderson 2011-09-26 13:38:12 -07:00
parent 8c0918ac18
commit 223f5be166
3 changed files with 3 additions and 15 deletions
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14
src/comp/middle/ty.rs
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@ -1019,22 +1019,12 @@ fn type_kind(cx: ctxt, ty: t) -> ast::kind {
ty_box(mt) {
result = ast::kind_shared;
}
// Pointers raise pinned to shared.
ty_ptr(tm) {
// Pointers and unique containers raise pinned to shared.
ty_ptr(tm) | ty_vec(tm) | ty_uniq(tm) {
let k = type_kind(cx, tm.ty);
if k == ast::kind_pinned { k = ast::kind_shared; }
result = kind::lower_kind(result, k);
}
// Unique containers pass through their pointee kind.
//
// FIXME: These rules do not implement the ~ rules given in
// the block comment describing the kind system in kind.rs.
// This code is wrong; it makes ~resource into ~-kind, not
// @-kind as it should be.
ty_vec(tm) | ty_uniq(tm) {
let k = type_kind(cx, tm.ty);
result = kind::lower_kind(result, k);
}
// Records lower to the lowest of their members.
ty_rec(flds) {
for f: field in flds {