#![warn(clippy::redundant_closure_call)] fn main() { let a = (|| 42)(); let mut i = 1; let mut k = (|m| m + 1)(i); k = (|a, b| a * b)(1, 5); let closure = || 32; i = closure(); let closure = |i| i + 1; i = closure(3); i = closure(4); #[allow(clippy::needless_return)] (|| return 2)(); (|| -> Option<i32> { None? })(); (|| -> Result<i32, i32> { r#try!(Err(2)) })(); }