47 lines
1.2 KiB
Rust
47 lines
1.2 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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struct NotARange;
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impl NotARange {
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fn step_by(&self, _: u32) {}
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}
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#[warn(clippy::iterator_step_by_zero, clippy::range_zip_with_len)]
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fn main() {
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let _ = (0..1).step_by(0);
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// No warning for non-zero step
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let _ = (0..1).step_by(1);
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let _ = (1..).step_by(0);
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let _ = (1..=2).step_by(0);
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let x = 0..1;
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let _ = x.step_by(0);
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// No error, not a range.
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let y = NotARange;
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y.step_by(0);
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let v1 = vec![1, 2, 3];
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let v2 = vec![4, 5];
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let _x = v1.iter().zip(0..v1.len());
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let _y = v1.iter().zip(0..v2.len()); // No error
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// check const eval
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let _ = v1.iter().step_by(2 / 3);
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}
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#[allow(unused)]
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fn no_panic_with_fake_range_types() {
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struct Range {
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foo: i32,
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}
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let _ = Range { foo: 0 };
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}
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