mirror of
https://github.com/rust-lang/rust-clippy
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39 lines
1.7 KiB
Rust
39 lines
1.7 KiB
Rust
#![warn(clippy::suspicious_splitn)]
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#![allow(clippy::needless_splitn)]
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fn main() {
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let _ = "a,b,c".splitn(3, ',');
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let _ = [0, 1, 2, 1, 3].splitn(3, |&x| x == 1);
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let _ = "".splitn(0, ',');
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let _ = [].splitn(0, |&x: &u32| x == 1);
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let _ = "a,b".splitn(0, ',');
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//~^ ERROR: `splitn` called with `0` splits
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//~| NOTE: the resulting iterator will always return `None`
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let _ = "a,b".rsplitn(0, ',');
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//~^ ERROR: `rsplitn` called with `0` splits
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//~| NOTE: the resulting iterator will always return `None`
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let _ = "a,b".splitn(1, ',');
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//~^ ERROR: `splitn` called with `1` split
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//~| NOTE: the resulting iterator will always return the entire string followed by `No
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let _ = [0, 1, 2].splitn(0, |&x| x == 1);
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//~^ ERROR: `splitn` called with `0` splits
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//~| NOTE: the resulting iterator will always return `None`
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let _ = [0, 1, 2].splitn_mut(0, |&x| x == 1);
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//~^ ERROR: `splitn_mut` called with `0` splits
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//~| NOTE: the resulting iterator will always return `None`
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let _ = [0, 1, 2].splitn(1, |&x| x == 1);
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//~^ ERROR: `splitn` called with `1` split
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//~| NOTE: the resulting iterator will always return the entire slice followed by `Non
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let _ = [0, 1, 2].rsplitn_mut(1, |&x| x == 1);
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//~^ ERROR: `rsplitn_mut` called with `1` split
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//~| NOTE: the resulting iterator will always return the entire slice followed by `Non
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const X: usize = 0;
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let _ = "a,b".splitn(X + 1, ',');
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//~^ ERROR: `splitn` called with `1` split
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//~| NOTE: the resulting iterator will always return the entire string followed by `No
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let _ = "a,b".splitn(X, ',');
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//~^ ERROR: `splitn` called with `0` splits
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//~| NOTE: the resulting iterator will always return `None`
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}
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