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11 lines
359 B
Rust
11 lines
359 B
Rust
//@ run-pass
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//@ only-32bit too impatient for 2⁶⁴ items
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//@ compile-flags: -C debug_assertions=no -C opt-level=3
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fn main() {
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let n = usize::MAX as u64;
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assert_eq!((0..).by_ref().position(|i| i >= n), Some(usize::MAX));
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assert_eq!((0..).by_ref().position(|i| i > n), Some(0));
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assert_eq!((0..=n + 1).by_ref().position(|_| false), None);
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}
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