error: defining a method called `add` on this type; consider implementing the `std::ops::Add` trait or choosing a less ambiguous name --> $DIR/methods.rs:36:5 | LL | / pub fn add(self, other: T) -> T { LL | | self LL | | } | |_____^ | = note: `-D clippy::should-implement-trait` implied by `-D warnings` error: methods called `new` usually return `Self` --> $DIR/methods.rs:152:5 | LL | / fn new() -> i32 { LL | | 0 LL | | } | |_____^ | = note: `-D clippy::new-ret-no-self` implied by `-D warnings` 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/methods.rs:174:13 | 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` = note: replace `map(|x| x + 1).unwrap_or(0)` with `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/methods.rs:178:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or(0); | |____________________________^ 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/methods.rs:182:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or({ LL | | 0 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/methods.rs:187:13 | LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `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/methods.rs:189:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | Some(x + 1) LL | | } LL | | ).unwrap_or(None); | |_____________________^ error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:193:13 | LL | let _ = opt | _____________^ LL | | .map(|x| Some(x + 1)) LL | | .unwrap_or(None); | |________________________^ | = note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `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/methods.rs:204:13 | LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `map(|p| format!("{}.", p)).unwrap_or(id)` with `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/methods.rs:208:13 | 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/methods.rs:212:13 | 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/methods.rs:216:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or_else(|| LL | | 0 LL | | ); | |_________________^ error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. --> $DIR/methods.rs:246:13 | LL | let _ = v.iter().filter(|&x| *x < 0).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::filter-next` implied by `-D warnings` = note: replace `filter(|&x| *x < 0).next()` with `find(|&x| *x < 0)` error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. --> $DIR/methods.rs:249:13 | LL | let _ = v.iter().filter(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).next(); | |___________________________^ error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:265:13 | LL | let _ = v.iter().find(|&x| *x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::search-is-some` implied by `-D warnings` = note: replace `find(|&x| *x < 0).is_some()` with `any(|x| *x < 0)` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:268:13 | LL | let _ = v.iter().find(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:274:13 | LL | let _ = v.iter().position(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `position(|&x| x < 0).is_some()` with `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:277:13 | LL | let _ = v.iter().position(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:283:13 | LL | let _ = v.iter().rposition(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `rposition(|&x| x < 0).is_some()` with `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:286:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: used unwrap() on an Option value. If you don't want to handle the None case gracefully, consider using expect() to provide a better panic message --> $DIR/methods.rs:301:13 | LL | let _ = opt.unwrap(); | ^^^^^^^^^^^^ | = note: `-D clippy::option-unwrap-used` implied by `-D warnings` error: aborting due to 21 previous errors