// run-rustfix #![warn(clippy::bytes_count_to_len)] use std::fs::File; use std::io::Read; fn main() { // should fix, because type is String let _ = String::from("foo").len(); let s1 = String::from("foo"); let _ = s1.len(); // should fix, because type is &str let _ = "foo".len(); let s2 = "foo"; let _ = s2.len(); // make sure using count() normally doesn't trigger warning let vector = [0, 1, 2]; let _ = vector.iter().count(); // The type is slice, so should not fix let _ = &[1, 2, 3].bytes().count(); let bytes: &[u8] = &[1, 2, 3]; bytes.bytes().count(); // The type is File, so should not fix let _ = File::open("foobar").unwrap().bytes().count(); let f = File::open("foobar").unwrap(); let _ = f.bytes().count(); }