#![allow(non_local_definitions)] #![warn(clippy::manual_str_repeat)] use std::borrow::Cow; use std::iter::repeat; fn main() { let _: String = "test".repeat(10); let _: String = "x".repeat(10); let _: String = "'".repeat(10); let _: String = "\"".repeat(10); let x = "test"; let count = 10; let _ = x.repeat(count + 2); macro_rules! m { ($e:expr) => {{ $e }}; } // FIXME: macro args are fine let _: String = repeat(m!("test")).take(m!(count)).collect(); let x = &x; let _: String = (*x).repeat(count); macro_rules! repeat_m { ($e:expr) => {{ repeat($e) }}; } // Don't lint, repeat is from a macro. let _: String = repeat_m!("test").take(count).collect(); let x: Box = Box::from("test"); let _: String = x.repeat(count); #[derive(Clone)] struct S; impl FromIterator> for String { fn from_iter>>(_: T) -> Self { Self::new() } } // Don't lint, wrong box type let _: String = repeat(Box::new(S)).take(count).collect(); let _: String = Cow::Borrowed("test").repeat(count); let x = "x".to_owned(); let _: String = x.repeat(count); let x = 'x'; // Don't lint, not char literal let _: String = repeat(x).take(count).collect(); } #[clippy::msrv = "1.15"] fn _msrv_1_15() { // `str::repeat` was stabilized in 1.16. Do not lint this let _: String = std::iter::repeat("test").take(10).collect(); } #[clippy::msrv = "1.16"] fn _msrv_1_16() { let _: String = "test".repeat(10); }