rust/tests/run-pass/issue-20575.rs
2019-05-30 10:58:30 +02:00

8 lines
227 B
Rust

// Test that overloaded calls work with zero arity closures
fn main() {
let functions: [Box<dyn Fn() -> Option<()>>; 1] = [Box::new(|| None)];
let _val: Option<Vec<()>> = functions.iter().map(|f| (*f)()).collect();
}