mirror of https://github.com/rust-lang/rust
23 lines
418 B
Rust
23 lines
418 B
Rust
//@ run-pass
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#![allow(unused)]
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// Some type that is not copyable.
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struct Bar;
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const fn type_no_copy() -> Option<Bar> {
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None
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}
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const fn type_copy() -> u32 {
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3
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}
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const _: [u32; 2] = [type_copy(); 2];
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// This is allowed because all promotion contexts use the explicit rules for promotability when
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// inside an explicit const context.
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const _: [Option<Bar>; 2] = [const { type_no_copy() }; 2];
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fn main() {}
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