Class: KeyError (Ruby 2.3.4)

    In Files

    • error.c

    Parent

    Class/Module Index [+]

    Quicksearch

    KeyError

    Raised when the specified key is not found. It is a subclass of IndexError.

    h = {"foo" => :bar}
    h.fetch("foo") #=> :bar
    h.fetch("baz") #=> KeyError: key not found: "baz"