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19 lines
507 B
Rust
19 lines
507 B
Rust
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//@ run-fail
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//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
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//@ error-pattern: unsafe precondition(s) violated: str::get_unchecked requires
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//@ revisions: range range_to range_from backwards_range
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fn main() {
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unsafe {
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let s = "💅";
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#[cfg(range)]
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s.get_unchecked(4..5);
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#[cfg(range_to)]
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s.get_unchecked(..5);
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#[cfg(range_from)]
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s.get_unchecked(5..);
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#[cfg(backwards_range)]
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s.get_unchecked(1..0);
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}
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}
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