mirror of https://github.com/rust-lang/rust
24 lines
801 B
Rust
24 lines
801 B
Rust
// Issue 27282: Example 1: This sidesteps the AST checks disallowing
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// mutable borrows in match guards by hiding the mutable borrow in a
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// guard behind a move (of the ref mut pattern id) within a closure.
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//@ run-rustfix
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#![feature(if_let_guard)]
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fn main() {
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match Some(&4) {
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None => {},
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ref mut foo
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if { (|| { let mut bar = foo.clone(); bar.take() })(); false } => {},
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//~^ ERROR cannot move out of `foo` in pattern guard [E0507]
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Some(s) => std::process::exit(*s),
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}
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match Some(&4) {
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None => {},
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ref mut foo
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if let Some(()) = { (|| { let mut bar = foo.clone(); bar.take() })(); None } => {},
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//~^ ERROR cannot move out of `foo` in pattern guard [E0507]
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Some(s) => std::process::exit(*s),
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}
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}
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