func (v Value) Int64() int64 {
	x, ok := v.data.(int64)
	if !ok {
		return 0
	}
	return x
}
func (v Value) Int64() int64 {
	x, ok := v.data.(int64)
	if !ok {
		return 0
	}
	return x
}
func ( v Value ) Int64 ( ) int64 { x , ok := v . data . ( int64 ) if ! ok { return 0 } return x }
// Int64 returns v's int64 value.
// If v.Kind() != Int64, Int64 returns 0.
Int64 returns v s int64 value . If v . Kind () ! = Int64 Int64 returns 0 .