Ruby Enumerables: ‘any’, ‘all’, ‘none’, and ‘find’
Nov 11, 2020
Ruby offers various enumerables on collections that check for validity of the objects within it.
Consider the following example:
The any? method returns true if the block ever returns a value other than false or nil for any element passed to it:
The all? method returns true if the block never returns false or nil for any element passed to it:
The none? method returns true if the block never returns true for any element passed to it:
The find method returns the first element for which block is not false: