mirror of https://github.com/rust-lang/rust
28 lines
434 B
Rust
28 lines
434 B
Rust
//@ run-pass
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#![feature(const_eval_select)]
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#![feature(core_intrinsics)]
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use std::intrinsics::const_eval_select;
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const fn yes() -> bool {
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true
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}
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fn no() -> bool {
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false
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}
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// not allowed on stable; testing only
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const fn is_const_eval() -> bool {
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const_eval_select((), yes, no)
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}
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fn main() {
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const YES: bool = is_const_eval();
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let no = is_const_eval();
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assert_eq!(true, YES);
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assert_eq!(false, no);
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}
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