mirror of https://github.com/rust-lang/rust.git
20 lines
420 B
Rust
20 lines
420 B
Rust
extern crate testcrate;
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use std::mem;
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extern "C" {
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fn give_back(tu: testcrate::TestUnion) -> u64;
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}
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fn main() {
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let magic: u64 = 0xDEADBEEF;
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// Let's test calling it cross crate
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let back = unsafe { testcrate::give_back(mem::transmute(magic)) };
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assert_eq!(magic, back);
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// And just within this crate
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let back = unsafe { give_back(mem::transmute(magic)) };
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assert_eq!(magic, back);
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}
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