November 2017
Intermediate to advanced
670 pages
17h 35m
English
Content preview from Learning Functional Programming in Go
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Surjective morphism
Surjective morphism is where every object in the codomain B is connected to a morphism from the domain A. In other words, every object in B has the value of f(x), where x is in A. This mapping is called many-to-one, since there are more than one mappings from A to a single object in B.