mirror of https://github.com/rust-lang/rust.git
30 lines
582 B
Rust
30 lines
582 B
Rust
// This assumes the packed and non-packed structs are different sizes.
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// the error points to the start of the file, not the line with the
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// transmute
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// normalize-stderr-test "\d+ bits" -> "N bits"
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// error-pattern: cannot transmute between types of different sizes, or dependently-sized types
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use std::mem;
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#[repr(packed)]
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struct Foo {
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bar: u8,
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baz: usize
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}
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#[derive(Debug)]
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struct Oof {
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rab: u8,
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zab: usize
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}
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fn main() {
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let foo = Foo { bar: 1, baz: 10 };
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unsafe {
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let oof: Oof = mem::transmute(foo);
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println!("{:?}", oof);
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}
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}
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