28 lines
535 B
Rust
28 lines
535 B
Rust
// run-pass
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// Repeating a *constant* of non-Copy type (not just a constant expression) is already stable.
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const EMPTY: Vec<i32> = Vec::new();
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pub fn bar() -> [Vec<i32>; 2] {
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[EMPTY; 2]
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}
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struct Bomb;
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impl Drop for Bomb {
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fn drop(&mut self) {
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panic!("BOOM!");
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}
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}
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const BOOM: Bomb = Bomb;
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fn main() {
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let _x = bar();
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// Make sure the destructor does not get called for empty arrays. `[CONST; N]` should
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// instantiate (and then later drop) the const exactly `N` times.
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let _x = [BOOM; 0];
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}
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