error: called `map(f).unwrap_or(a)` on an `Option` value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/option_map_unwrap_or.rs:20:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | // Should lint even though this call is on a separate line. LL | | .unwrap_or(0); | |_____________________^ | = note: `-D clippy::option-map-unwrap-or` implied by `-D warnings` help: use `map_or(a, f)` instead | LL | let _ = opt.map_or(0, |x| x + 1); | ^^^^^^ ^^ -- error: called `map(f).unwrap_or(a)` on an `Option` value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/option_map_unwrap_or.rs:24:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or(0); | |__________________^ | help: use `map_or(a, f)` instead | LL | let _ = opt.map_or(0, |x| { LL | x + 1 LL | } LL | ); | error: called `map(f).unwrap_or(a)` on an `Option` value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/option_map_unwrap_or.rs:28:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or({ LL | | 0 LL | | }); | |__________^ | help: use `map_or(a, f)` instead | LL | let _ = opt.map_or({ LL | 0 LL | }, |x| x + 1); | error: called `map(f).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(f)` instead --> $DIR/option_map_unwrap_or.rs:33:13 | LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: use `and_then(f)` instead | LL | let _ = opt.and_then(|x| Some(x + 1)); | ^^^^^^^^ -- error: called `map(f).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(f)` instead --> $DIR/option_map_unwrap_or.rs:35:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | Some(x + 1) LL | | } LL | | ).unwrap_or(None); | |_____________________^ | help: use `and_then(f)` instead | LL | let _ = opt.and_then(|x| { LL | Some(x + 1) LL | } LL | ); | error: called `map(f).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(f)` instead --> $DIR/option_map_unwrap_or.rs:39:13 | LL | let _ = opt | _____________^ LL | | .map(|x| Some(x + 1)) LL | | .unwrap_or(None); | |________________________^ | help: use `and_then(f)` instead | LL | .and_then(|x| Some(x + 1)); | ^^^^^^^^ -- error: called `map(f).unwrap_or(a)` on an `Option` value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/option_map_unwrap_or.rs:50:13 | LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: use `map_or(a, f)` instead | LL | let _ = Some("prefix").map_or(id, |p| format!("{}.", p)); | ^^^^^^ ^^^ -- 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 --> $DIR/option_map_unwrap_or.rs:54:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | // Should lint even though this call is on a separate line. LL | | .unwrap_or_else(|| 0); | |_____________________________^ | = note: `-D clippy::option-map-unwrap-or-else` implied by `-D warnings` = note: replace `map(|x| x + 1).unwrap_or_else(|| 0)` with `map_or_else(|| 0, |x| x + 1)` 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 --> $DIR/option_map_unwrap_or.rs:58:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or_else(|| 0); | |__________________________^ 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 --> $DIR/option_map_unwrap_or.rs:62:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or_else(|| LL | | 0 LL | | ); | |_________^ error: aborting due to 10 previous errors