mirror of
https://github.com/rust-lang/rust-clippy
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116 lines
6.6 KiB
Text
116 lines
6.6 KiB
Text
error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:11:13
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LL | let _ = opt.clone().as_ref().map(Deref::deref).map(str::len);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.clone().as_deref()`
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= note: `-D clippy::option-as-ref-deref` implied by `-D warnings`
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error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:14:13
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LL | let _ = opt.clone()
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| _____________^
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LL | | .as_ref().map(
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LL | | Deref::deref
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LL | | )
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| |_________^ help: try using as_deref instead: `opt.clone().as_deref()`
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error: called `.as_mut().map(DerefMut::deref_mut)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:20:13
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LL | let _ = opt.as_mut().map(DerefMut::deref_mut);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
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error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:22:13
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LL | let _ = opt.as_ref().map(String::as_str);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: called `.as_ref().map(|x| x.as_str())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:23:13
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LL | let _ = opt.as_ref().map(|x| x.as_str());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: called `.as_mut().map(String::as_mut_str)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:24:13
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LL | let _ = opt.as_mut().map(String::as_mut_str);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
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error: called `.as_mut().map(|x| x.as_mut_str())` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:25:13
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LL | let _ = opt.as_mut().map(|x| x.as_mut_str());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
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error: called `.as_ref().map(CString::as_c_str)` on an Option value. This can be done more directly by calling `Some(CString::new(vec![]).unwrap()).as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:26:13
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LL | let _ = Some(CString::new(vec![]).unwrap()).as_ref().map(CString::as_c_str);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(CString::new(vec![]).unwrap()).as_deref()`
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error: called `.as_ref().map(OsString::as_os_str)` on an Option value. This can be done more directly by calling `Some(OsString::new()).as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:27:13
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LL | let _ = Some(OsString::new()).as_ref().map(OsString::as_os_str);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(OsString::new()).as_deref()`
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error: called `.as_ref().map(PathBuf::as_path)` on an Option value. This can be done more directly by calling `Some(PathBuf::new()).as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:28:13
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LL | let _ = Some(PathBuf::new()).as_ref().map(PathBuf::as_path);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(PathBuf::new()).as_deref()`
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error: called `.as_ref().map(Vec::as_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:29:13
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LL | let _ = Some(Vec::<()>::new()).as_ref().map(Vec::as_slice);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(Vec::<()>::new()).as_deref()`
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error: called `.as_mut().map(Vec::as_mut_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:30:13
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LL | let _ = Some(Vec::<()>::new()).as_mut().map(Vec::as_mut_slice);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `Some(Vec::<()>::new()).as_deref_mut()`
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error: called `.as_ref().map(|x| x.deref())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:32:13
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LL | let _ = opt.as_ref().map(|x| x.deref());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: called `.as_mut().map(|x| x.deref_mut())` on an Option value. This can be done more directly by calling `opt.clone().as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:33:13
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LL | let _ = opt.clone().as_mut().map(|x| x.deref_mut()).map(|x| x.len());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.clone().as_deref_mut()`
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error: called `.as_ref().map(|x| &**x)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:40:13
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LL | let _ = opt.as_ref().map(|x| &**x);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: called `.as_mut().map(|x| &mut **x)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead
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--> $DIR/option_as_ref_deref.rs:41:13
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LL | let _ = opt.as_mut().map(|x| &mut **x);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()`
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error: called `.as_ref().map(std::ops::Deref::deref)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:44:13
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LL | let _ = opt.as_ref().map(std::ops::Deref::deref);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead
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--> $DIR/option_as_ref_deref.rs:56:13
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LL | let _ = opt.as_ref().map(String::as_str);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()`
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error: aborting due to 18 previous errors
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