Question

What are the subtypes?​

Answer 1

Answer:

: a type that is subordinate to or included in another type the blood group subtypes subtypes of a disease. subtype. transitive verb. subtyped; subtyping.

Answer 2

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Subtyping

In programming language theory, subtyping (also subtype polymorphism or inclusion polymorphism) is a form of type polymorphism in which a subtype is a datatype that is related to another datatype (the supertype) by some notion of substitutability, meaning that program elements, typically subroutines or functions, written to operate on elements of the supertype can also operate on elements of the subtype. If S is a subtype of T, the subtyping relation is often written S <: T, to mean that any term of type S can be safely used in a context where a term of type T is expected.