eafp.go

package main
 
import (
    "fmt"
)
 
type Block struct {
    Try     func()
    Catch   func(Exception)
    Finally func()
}
 
type Exception interface{}
 
func Throw(up Exception) {
    panic(up)
}
 
func (tcf Block) Do() {
    if tcf.Finally != nil {
 
        defer tcf.Finally()
    }
    if tcf.Catch != nil {
        defer func() {
            if r := recover(); r != nil {
                tcf.Catch(r)
            }
        }()
    }
    tcf.Try()
}
 
func main() {
    fmt.Println("We started")
    Block{
        Try: func() {
            fmt.Println("I tried")
            Throw("Oh,...sh...")
        },
        Catch: func(e Exception) {
            fmt.Printf("Caught %v\n", e)
        },
        Finally: func() {
            fmt.Println("Finally...")
        },
    }.Do()
    fmt.Println("We went on")
}