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jpastuszek/playground.rs

Forked from anonymous/playground.rs
Last active September 14, 2016 08:53
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Rust: call closure once and only once
Raw
playground.rs
fn bar<F, R>(f: F) -> R where F: FnOnce() -> R {
//f(); // used after move
f() // need to get R somehow
}
fn main() {
bar(|| {
println!("foo!");
})
}
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