33 lines
671 B
Rust
33 lines
671 B
Rust
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// xfail-fast (compile-flags unsupported on windows)
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// compile-flags:--borrowck=err
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fn impure(_i: int) {}
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fn foo(v: &const option<int>) {
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alt *v {
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some(i) {
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//!^ NOTE pure context is required due to an illegal borrow: enum variant in aliasable, mutable location
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// check that unchecked alone does not override borrowck:
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unchecked {
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impure(i); //! ERROR access to non-pure functions prohibited in a pure context
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}
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}
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none {
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}
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}
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}
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fn bar(v: &const option<int>) {
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alt *v {
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some(i) {
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unsafe {
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impure(i);
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}
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}
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none {
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}
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}
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}
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fn main() {
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}
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