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68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
package internal
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import "reflect"
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var ifaceType = reflect.TypeOf((*interface{})(nil)).Elem()
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type MapKey struct {
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iface interface{}
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}
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func NewMapKey(is []interface{}) MapKey {
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return MapKey{
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iface: newMapKey(is),
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}
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}
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func newMapKey(is []interface{}) interface{} {
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switch len(is) {
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case 1:
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ptr := new([1]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 2:
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ptr := new([2]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 3:
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ptr := new([3]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 4:
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ptr := new([4]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 5:
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ptr := new([5]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 6:
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ptr := new([6]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 7:
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ptr := new([7]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 8:
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ptr := new([8]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 9:
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ptr := new([9]interface{})
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copy((*ptr)[:], is)
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return *ptr
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case 10:
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ptr := new([10]interface{})
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copy((*ptr)[:], is)
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return *ptr
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default:
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}
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at := reflect.New(reflect.ArrayOf(len(is), ifaceType)).Elem()
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for i, v := range is {
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*(at.Index(i).Addr().Interface().(*interface{})) = v
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}
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return at.Interface()
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}
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