mirror of https://github.com/rust-lang/rust
30 lines
810 B
Rust
30 lines
810 B
Rust
//@ normalize-stderr-32bit: "`&str` \(64 bits\)" -> "`&str` ($$STR bits)"
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//@ normalize-stderr-64bit: "`&str` \(128 bits\)" -> "`&str` ($$STR bits)"
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use std::mem::transmute;
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pub trait TypeConstructor<'a> {
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type T;
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}
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unsafe fn transmute_lifetime<'a, 'b, C>(x: <C as TypeConstructor<'a>>::T)
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-> <C as TypeConstructor<'b>>::T
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where for<'z> C: TypeConstructor<'z> {
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transmute(x)
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}
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unsafe fn sizes() {
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let x: u8 = transmute(10u16); //~ ERROR cannot transmute between types of different sizes
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}
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unsafe fn ptrs() {
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let x: u8 = transmute("test"); //~ ERROR cannot transmute between types of different sizes
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}
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union Foo { x: () }
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unsafe fn vary() {
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let x: Foo = transmute(10); //~ ERROR cannot transmute between types of different sizes
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}
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fn main() {}
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