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57 lines
1.4 KiB
Rust
57 lines
1.4 KiB
Rust
//@run-rustfix
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#![allow(unused, clippy::redundant_clone, clippy::useless_vec)]
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#![warn(clippy::option_as_ref_deref)]
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use std::ffi::{CString, OsString};
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use std::ops::{Deref, DerefMut};
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use std::path::PathBuf;
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fn main() {
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let mut opt = Some(String::from("123"));
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let _ = opt.clone().as_deref().map(str::len);
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#[rustfmt::skip]
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let _ = opt.clone().as_deref()
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.map(str::len);
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let _ = opt.as_deref_mut();
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let _ = opt.as_deref();
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let _ = opt.as_deref();
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let _ = opt.as_deref_mut();
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let _ = opt.as_deref_mut();
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let _ = Some(CString::new(vec![]).unwrap()).as_deref();
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let _ = Some(OsString::new()).as_deref();
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let _ = Some(PathBuf::new()).as_deref();
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let _ = Some(Vec::<()>::new()).as_deref();
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let _ = Some(Vec::<()>::new()).as_deref_mut();
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let _ = opt.as_deref();
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let _ = opt.clone().as_deref_mut().map(|x| x.len());
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let vc = vec![String::new()];
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let _ = Some(1_usize).as_ref().map(|x| vc[*x].as_str()); // should not be linted
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let _: Option<&str> = Some(&String::new()).as_ref().map(|x| x.as_str()); // should not be linted
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let _ = opt.as_deref();
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let _ = opt.as_deref_mut();
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// Issue #5927
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let _ = opt.as_deref();
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}
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#[clippy::msrv = "1.39"]
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fn msrv_1_39() {
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let opt = Some(String::from("123"));
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let _ = opt.as_ref().map(String::as_str);
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}
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#[clippy::msrv = "1.40"]
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fn msrv_1_40() {
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let opt = Some(String::from("123"));
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let _ = opt.as_deref();
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}
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