mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-24 13:43:17 +00:00
72 lines
2.4 KiB
Rust
72 lines
2.4 KiB
Rust
#![warn(clippy::from_str_radix_10)]
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mod some_mod {
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// fake function that shouldn't trigger the lint
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pub fn from_str_radix(_: &str, _: u32) -> Result<(), std::num::ParseIntError> {
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unimplemented!()
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}
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}
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// fake function that shouldn't trigger the lint
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fn from_str_radix(_: &str, _: u32) -> Result<(), std::num::ParseIntError> {
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unimplemented!()
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}
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// to test parenthesis addition
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struct Test;
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impl std::ops::Add<Test> for Test {
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type Output = &'static str;
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fn add(self, _: Self) -> Self::Output {
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"304"
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}
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}
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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// all of these should trigger the lint
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"30".parse::<u32>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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//~| NOTE: `-D clippy::from-str-radix-10` implied by `-D warnings`
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"24".parse::<i64>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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"100".parse::<isize>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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"7".parse::<u8>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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("10".to_owned() + "5").parse::<u16>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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(Test + Test).parse::<i128>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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let string = "300";
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string.parse::<i32>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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let stringier = "400".to_string();
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stringier.parse::<i32>()?;
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//~^ ERROR: this call to `from_str_radix` can be replaced with a call to `str::parse`
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// none of these should trigger the lint
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u16::from_str_radix("20", 3)?;
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i32::from_str_radix("45", 12)?;
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usize::from_str_radix("10", 16)?;
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i128::from_str_radix("10", 13)?;
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some_mod::from_str_radix("50", 10)?;
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some_mod::from_str_radix("50", 6)?;
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from_str_radix("50", 10)?;
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from_str_radix("50", 6)?;
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Ok(())
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}
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// https://github.com/rust-lang/rust-clippy/issues/12731
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fn issue_12731() {
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const A: Result<u32, std::num::ParseIntError> = u32::from_str_radix("123", 10);
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const B: () = {
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let _ = u32::from_str_radix("123", 10);
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};
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const fn foo() {
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let _ = u32::from_str_radix("123", 10);
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}
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}
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