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24 lines
547 B
Rust
24 lines
547 B
Rust
// run-pass
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use std::mem;
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#[repr(packed)]
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#[allow(unused_tuple_struct_fields)]
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struct S4(u8,[u8; 3]);
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#[repr(packed)]
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#[allow(unused_tuple_struct_fields)]
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struct S5(u8,u32);
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pub fn main() {
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unsafe {
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let s4 = S4(1, [2,3,4]);
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let transd : [u8; 4] = mem::transmute(s4);
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assert_eq!(transd, [1, 2, 3, 4]);
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let s5 = S5(1, 0xff_00_00_ff);
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let transd : [u8; 5] = mem::transmute(s5);
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// Don't worry about endianness, the u32 is palindromic.
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assert_eq!(transd, [1, 0xff, 0, 0, 0xff]);
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}
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}
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