CS202   4- ‹#›
nNotice that this conversion function has no return type. That is because the return type is implicitly specified (other_type), since that is the type we are converting to.
nThe conversion function converts the current object into the new type and returns the value.
nThe conversion function can be called either implicitly or explicitly.
nThe name of the conversion function must be a single identifier; therefore, for types that are not a single identifier, a typedef must first be used to create a single identifier.
User Defined Type Convers.