56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
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// run-rustfix
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// aux-build:macro_rules.rs
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#![warn(clippy::manual_rem_euclid)]
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#[macro_use]
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extern crate macro_rules;
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macro_rules! internal_rem_euclid {
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() => {
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let value: i32 = 5;
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let _: i32 = value.rem_euclid(4);
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};
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}
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fn main() {
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let value: i32 = 5;
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let _: i32 = value.rem_euclid(4);
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let _: i32 = value.rem_euclid(4);
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let _: i32 = value.rem_euclid(4);
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let _: i32 = value.rem_euclid(4);
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let _: i32 = 1 + value.rem_euclid(4);
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let _: i32 = (3 + value % 4) % 4;
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let _: i32 = (-4 + value % -4) % -4;
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let _: i32 = ((5 % 4) + 4) % 4;
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// Make sure the lint does not trigger if it would cause an error, like with an ambiguous
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// integer type
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let not_annotated = 24;
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let _ = ((not_annotated % 4) + 4) % 4;
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let inferred: _ = 24;
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let _ = ((inferred % 4) + 4) % 4;
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// For lint to apply the constant must always be on the RHS of the previous value for %
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let _: i32 = 4 % ((value % 4) + 4);
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let _: i32 = ((4 % value) + 4) % 4;
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// Lint in internal macros
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internal_rem_euclid!();
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// Do not lint in external macros
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manual_rem_euclid!();
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}
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// Should lint for params too
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pub fn rem_euclid_4(num: i32) -> i32 {
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num.rem_euclid(4)
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}
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// Constant version came later, should still lint
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pub const fn const_rem_euclid_4(num: i32) -> i32 {
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num.rem_euclid(4)
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}
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