// run-rustfix #![warn(clippy::map_identity)] #![allow(clippy::needless_return)] fn main() { let x: [u16; 3] = [1, 2, 3]; // should lint let _: Vec<_> = x.iter().map(not_identity).collect(); let _: Vec<_> = x.iter().collect(); let _: Option<u8> = Some(3); let _: Result<i8, f32> = Ok(-3); // should not lint let _: Vec<_> = x.iter().map(|x| 2 * x).collect(); let _: Vec<_> = x.iter().map(not_identity).map(|x| return x - 4).collect(); let _: Option<u8> = None.map(|x: u8| x - 1); let _: Result<i8, f32> = Err(2.3).map(|x: i8| { return x + 3; }); } fn not_identity(x: &u16) -> u16 { *x }