/*
Go supports following built-in basic types:
one boolean built-in boolean type: bool.
11 built-in integer numeric types: int8, uint8, int16, uint16, int32, uint32, int64, uint64, int, uint, and uintptr.
two built-in floating-point numeric types: float32 and float64.
two built-in complex numeric types: complex64 and complex128.
one built-in string type: string
*/