mirror of
https://github.com/rust-lang/rust-clippy
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150 lines
4.6 KiB
Text
150 lines
4.6 KiB
Text
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:16:13
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LL | let _ = opt.map(|x| x + 1)
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| _____________^
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LL | | // Should lint even though this call is on a separate line.
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LL | | .unwrap_or(0);
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| |_____________________^
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= note: `-D clippy::map-unwrap-or` implied by `-D warnings`
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help: use `map_or(<a>, <f>)` instead
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LL - let _ = opt.map(|x| x + 1)
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LL + let _ = opt.map_or(0, |x| x + 1);
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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:20:13
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LL | let _ = opt.map(|x| {
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| _____________^
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LL | | x + 1
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LL | | }
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LL | | ).unwrap_or(0);
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| |__________________^
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help: use `map_or(<a>, <f>)` instead
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LL ~ let _ = opt.map_or(0, |x| {
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LL | x + 1
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LL | }
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LL ~ );
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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:24:13
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LL | let _ = opt.map(|x| x + 1)
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| _____________^
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LL | | .unwrap_or({
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LL | | 0
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LL | | });
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| |__________^
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help: use `map_or(<a>, <f>)` instead
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LL ~ let _ = opt.map_or({
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LL + 0
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LL ~ }, |x| x + 1);
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error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
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--> $DIR/map_unwrap_or.rs:29:13
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LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: use `and_then(<f>)` instead
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LL - let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
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LL + let _ = opt.and_then(|x| Some(x + 1));
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error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
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--> $DIR/map_unwrap_or.rs:31:13
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LL | let _ = opt.map(|x| {
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| _____________^
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LL | | Some(x + 1)
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LL | | }
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LL | | ).unwrap_or(None);
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| |_____________________^
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help: use `and_then(<f>)` instead
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LL ~ let _ = opt.and_then(|x| {
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LL | Some(x + 1)
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LL | }
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LL ~ );
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error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
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--> $DIR/map_unwrap_or.rs:35:13
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LL | let _ = opt
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| _____________^
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LL | | .map(|x| Some(x + 1))
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LL | | .unwrap_or(None);
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| |________________________^
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help: use `and_then(<f>)` instead
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LL - .map(|x| Some(x + 1))
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LL + .and_then(|x| Some(x + 1));
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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:46:13
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LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: use `map_or(<a>, <f>)` instead
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LL - let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
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LL + let _ = Some("prefix").map_or(id, |p| format!("{}.", p));
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error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:50:13
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LL | let _ = opt.map(|x| {
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| _____________^
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LL | | x + 1
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LL | | }
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LL | | ).unwrap_or_else(|| 0);
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| |__________________________^
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error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:54:13
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LL | let _ = opt.map(|x| x + 1)
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| _____________^
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LL | | .unwrap_or_else(||
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LL | | 0
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LL | | );
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| |_________^
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error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:66:13
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LL | let _ = res.map(|x| {
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| _____________^
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LL | | x + 1
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LL | | }
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LL | | ).unwrap_or_else(|_e| 0);
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| |____________________________^
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error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
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--> $DIR/map_unwrap_or.rs:70:13
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LL | let _ = res.map(|x| x + 1)
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| _____________^
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LL | | .unwrap_or_else(|_e| {
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LL | | 0
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LL | | });
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| |__________^
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error: aborting due to 11 previous errors
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