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Allow some resources to be considered const.

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This commit is contained in:
Eric Holk 2012-05-31 10:51:58 -07:00
parent 3acc3c4d85
commit 0470abe1d2
2 changed files with 7 additions and 2 deletions
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5
src/rustc/middle/ty.rs
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@ -1526,7 +1526,10 @@ fn type_kind(cx: ctxt, ty: t) -> kind {
}
lowest
}
ty_res(did, inner, tps) { kind_send_only() }
ty_res(did, inner, tps) {
let inner = subst(cx, tps, inner);
(kind_const() & type_kind(cx, inner)) | kind_send_only()
}
ty_param(_, did) {
// FIXME: type params shouldn't be implicitly copyable (#2449)
let k = param_bounds_to_kind(cx.ty_param_bounds.get(did.node));