41 lines
568 B
Rust
41 lines
568 B
Rust
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//@aux-build:proc_macros.rs
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#![warn(clippy::unused_result_ok)]
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#![allow(dead_code)]
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#[macro_use]
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extern crate proc_macros;
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fn bad_style(x: &str) {
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let _ = x.parse::<u32>();
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}
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fn good_style(x: &str) -> Option<u32> {
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x.parse::<u32>().ok()
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}
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#[rustfmt::skip]
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fn strange_parse(x: &str) {
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let _ = x . parse::<i32>();
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}
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macro_rules! v {
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() => {
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Ok::<(), ()>(())
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};
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}
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macro_rules! w {
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() => {
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let _ = Ok::<(), ()>(());
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};
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}
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fn main() {
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let _ = v!();
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w!();
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external! {
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Ok::<(),()>(()).ok();
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};
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}
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