mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-20 18:13:36 +00:00
35 lines
846 B
Rust
35 lines
846 B
Rust
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// run-rustfix
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#![warn(clippy::bytes_count_to_len)]
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use std::fs::File;
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use std::io::Read;
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fn main() {
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// should fix, because type is String
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let _ = String::from("foo").bytes().count();
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let s1 = String::from("foo");
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let _ = s1.bytes().count();
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// should fix, because type is &str
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let _ = "foo".bytes().count();
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let s2 = "foo";
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let _ = s2.bytes().count();
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// make sure using count() normally doesn't trigger warning
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let vector = [0, 1, 2];
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let _ = vector.iter().count();
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// The type is slice, so should not fix
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let _ = &[1, 2, 3].bytes().count();
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let bytes: &[u8] = &[1, 2, 3];
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bytes.bytes().count();
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// The type is File, so should not fix
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let _ = File::open("foobar").unwrap().bytes().count();
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let f = File::open("foobar").unwrap();
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let _ = f.bytes().count();
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}
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