.config/coc/extensions/coc-go-data/tools/pkg/mod/honnef.co/go/tools@v0.0.1-2020.1.5/simple/testdata/src/CheckGuardedDelete/LintGuardedDelete.go

   1 // Package pkg ...
   2 package pkg
   3
   4 func fn(m map[int]int) {
   5         if _, ok := m[0]; ok { // want `unnecessary guard`
   6                 delete(m, 0)
   7         }
   8         if _, ok := m[0]; !ok {
   9                 delete(m, 0)
  10         }
  11         if _, ok := m[0]; ok {
  12                 println("deleting")
  13                 delete(m, 0)
  14         }
  15         if v, ok := m[0]; ok && v > 0 {
  16                 delete(m, 0)
  17         }
  18
  19         var key int
  20         if _, ok := m[key]; ok { // want `unnecessary guard`
  21                 delete(m, key)
  22         }
  23         if _, ok := m[key]; ok {
  24                 delete(m, 0)
  25         }
  26         if _, ok := m[key]; ok {
  27                 delete(m, key)
  28         } else {
  29                 println("not deleted")
  30         }
  31
  32         var ok bool
  33         if _, ok = m[key]; ok {
  34                 delete(m, 0)
  35         }
  36         if ok {
  37                 println("deleted")
  38         }
  39
  40         delete := func(a, b interface{}) {}
  41         if _, ok := m[0]; ok {
  42                 delete(m, 0)
  43         }
  44 }