goop

= Go Options
:source-highlighter: pygments

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Option types for Go's basic builtin types.

'''

.cmd/example/main.go
[source,go]
----
func main() {
  fmt.Println(option.NewBool(true).
    ForceMapToInt(func(b bool) int {
      if b {
        return 5
      }
      return 10
    }).
    ForceMapToString(strconv.Itoa).
    ForceMapToUntyped(func(s string) interface{} { return NewTest(s) }).
    MapToNillableString(func(t interface{}) *string { return nil }).
    Or("15"))
}
----