94 lines
1.4 KiB
Rust
94 lines
1.4 KiB
Rust
// skip-filecheck
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// EMIT_MIR enum_cast.foo.built.after.mir
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// EMIT_MIR enum_cast.bar.built.after.mir
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// EMIT_MIR enum_cast.boo.built.after.mir
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// EMIT_MIR enum_cast.far.built.after.mir
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enum Foo {
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A
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}
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enum Bar {
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A, B
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}
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#[repr(u8)]
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enum Boo {
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A, B
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}
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#[repr(i16)]
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enum Far {
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A, B
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}
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fn foo(foo: Foo) -> usize {
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foo as usize
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}
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fn bar(bar: Bar) -> usize {
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bar as usize
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}
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fn boo(boo: Boo) -> usize {
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boo as usize
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}
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fn far(far: Far) -> isize {
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far as isize
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}
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// EMIT_MIR enum_cast.droppy.built.after.mir
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enum Droppy {
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A, B, C
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}
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impl Drop for Droppy {
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fn drop(&mut self) {}
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}
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fn droppy() {
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{
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let x = Droppy::C;
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// remove this entire test once `cenum_impl_drop_cast` becomes a hard error
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#[allow(cenum_impl_drop_cast)]
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let y = x as usize;
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}
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let z = Droppy::B;
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}
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#[repr(i16)]
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enum SignedAroundZero {
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A = -2,
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B = 0,
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C = 2,
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}
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#[repr(u16)]
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enum UnsignedAroundZero {
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A = 65535,
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B = 0,
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C = 1,
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}
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// EMIT_MIR enum_cast.signy.built.after.mir
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fn signy(x: SignedAroundZero) -> i16 {
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x as i16
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}
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// EMIT_MIR enum_cast.unsigny.built.after.mir
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fn unsigny(x: UnsignedAroundZero) -> u16 {
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// FIXME: This doesn't get an around-the-end range today, sadly.
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x as u16
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}
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enum NotStartingAtZero { A = 4, B = 6, C = 8 }
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// EMIT_MIR enum_cast.offsetty.built.after.mir
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fn offsetty(x: NotStartingAtZero) -> u32 {
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x as u32
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}
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fn main() {
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}
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