mirror of
https://github.com/rust-lang/rust-clippy
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39 lines
1 KiB
Rust
39 lines
1 KiB
Rust
//@no-rustfix
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#![allow(clippy::needless_borrow, clippy::useless_vec)]
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#[deny(clippy::naive_bytecount)]
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fn main() {
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let x = vec![0_u8; 16];
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// naive byte count
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let _ = x.iter().filter(|&&a| a == 0).count();
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//~^ ERROR: you appear to be counting bytes the naive way
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// naive byte count
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let _ = (&x[..]).iter().filter(|&a| *a == 0).count();
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//~^ ERROR: you appear to be counting bytes the naive way
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// not an equality count, OK.
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let _ = x.iter().filter(|a| **a > 0).count();
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// not a slice
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let _ = x.iter().map(|a| a + 1).filter(|&a| a < 15).count();
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let b = 0;
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// woah there
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let _ = x.iter().filter(|_| b > 0).count();
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// nothing to see here, move along
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let _ = x.iter().filter(|_a| b == b + 1).count();
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// naive byte count
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let _ = x.iter().filter(|a| b + 1 == **a).count();
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//~^ ERROR: you appear to be counting bytes the naive way
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let y = vec![0_u16; 3];
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// naive count, but not bytes
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let _ = y.iter().filter(|&&a| a == 0).count();
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}
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