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ladrift/method_set.go

Last active August 4, 2016 14:56
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method_set.go
package main
type Mutex struct{}
func (m *Mutex) Lock() {}
func (m *Mutex) Unlock() {}
type PtrMutex *Mutex
func main() {
m := &Mutex{}
m.Lock()
var pm PtrMutex
//pm.Lock() // illegal: pm don't have method Lock.
pm1 := (*Mutex)(pm)
pm1.Lock() // But the underlying type has its methods.
}
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