Ruby is famous (infamous?) for giving us many ways to do the same thing. One aspect of this is that quite a few methods in core classes have aliases, especially in the Enumerable module. E.g.: collect -> map inject -> reduce detect -> find select -> find_all Most Rubyists are probably aware that the “original” method names (collect, inject, etc) were inspired by Smalltalk and later the aliases where added to reflect the naming trends in the functional programming community. Enumerable#sel...
