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reflect: add InterfaceValue.Get to enable setting of an interface
value (through unsafe means) without having a reflect.Type of type *interface{} (pointer to interface). This is needed to make gob able to handle interface values by a method analogous to the way it handles maps. R=rsc CC=golang-dev https://golang.org/cl/2597041
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@ -843,11 +843,17 @@ type InterfaceValue struct {
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value "interface"
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}
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// No Get because v.Interface() is available.
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// IsNil returns whether v is a nil interface value.
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func (v *InterfaceValue) IsNil() bool { return v.Interface() == nil }
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// No single uinptr Get because v.Interface() is available.
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// Get returns the two words that represent an interface in the runtime.
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// Those words are useful only when playing unsafe games.
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func (v *InterfaceValue) Get() [2]uintptr {
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return *(*[2]uintptr)(v.addr)
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}
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// Elem returns the concrete value stored in the interface value v.
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func (v *InterfaceValue) Elem() Value { return NewValue(v.Interface()) }
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