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allow region ptrs to be cast to uints

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This commit is contained in:
Niko Matsakis 2012-05-18 19:05:31 -07:00
parent f1a46914c4
commit 19ec5a41ed
2 changed files with 14 additions and 5 deletions
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15
src/rustc/middle/trans/base.rs
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@ -2620,11 +2620,16 @@ fn float_cast(bcx: block, lldsttype: TypeRef, llsrctype: TypeRef,
enum cast_kind { cast_pointer, cast_integral, cast_float,
cast_enum, cast_other, }
fn cast_type_kind(t: ty::t) -> cast_kind {
if ty::type_is_fp(t) { cast_float }
else if ty::type_is_unsafe_ptr(t) { cast_pointer }
else if ty::type_is_integral(t) { cast_integral }
else if ty::type_is_enum(t) { cast_enum }
else { cast_other }
alt ty::get(t).struct {
ty::ty_float(*) {cast_float}
ty::ty_ptr(*) {cast_pointer}
ty::ty_rptr(*) {cast_pointer}
ty::ty_int(*) {cast_integral}
ty::ty_uint(*) {cast_integral}
ty::ty_bool {cast_integral}
ty::ty_enum(*) {cast_enum}
_ {cast_other}
}
}

4
src/test/run-pass/cast-region-to-uint.rs Normal file
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@ -0,0 +1,4 @@
fn main() {
let x = 3;
#debug["&x=%x", &x as uint];
}