error: matching on `Some` with `ok()` is redundant
  --> tests/ui/match_result_ok.rs:13:5
   |
LL |     if let Some(y) = x.parse().ok() { y } else { 0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::match-result-ok` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::match_result_ok)]`
help: consider matching on `Ok(y)` and removing the call to `ok` instead
   |
LL -     if let Some(y) = x.parse().ok() { y } else { 0 }
LL +     if let Ok(y) = x.parse() { y } else { 0 }
   |

error: matching on `Some` with `ok()` is redundant
  --> tests/ui/match_result_ok.rs:24:9
   |
LL |         if let Some(y) = x   .   parse()   .   ok   ()    {
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: consider matching on `Ok(y)` and removing the call to `ok` instead
   |
LL -         if let Some(y) = x   .   parse()   .   ok   ()    {
LL +         if let Ok(y) = x   .   parse()    {
   |

error: matching on `Some` with `ok()` is redundant
  --> tests/ui/match_result_ok.rs:51:5
   |
LL |     while let Some(a) = wat.next().ok() {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: consider matching on `Ok(a)` and removing the call to `ok` instead
   |
LL -     while let Some(a) = wat.next().ok() {
LL +     while let Ok(a) = wat.next() {
   |

error: aborting due to 3 previous errors