pkg reflect, method (Value) IsNil() bool
pkg reflect, method (Value) IsValid() bool
pkg reflect, method (Value) Kind() Kind
pkg reflect, method (Value) Len() int
pkg reflect, method (Value) MapIndex(Value) Value
pkg reflect, method (Value) MapKeys() []Value
pkg reflect, method (Value) Method(int) Value
pkg reflect, method (Value) MethodByName(string) Value
pkg reflect, method (Value) NumField() int