class ArgumentError - Documentation for Ruby 4.0
Description: class ArgumentError: Raised when the arguments are wrong and there isn't a more specific Exception class. passing the wrong number of arguments [1, 2, 3].
Keywords: ruby,class,ArgumentError

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# class ArgumentError

Raised when the arguments are wrong and there isn’t a more specific `Exception` class.

Ex: passing the wrong number of arguments

    [1, 2, 3].first(4, 5)

raises the exception:

    ArgumentError: wrong number of arguments (given 2, expected 1)

Ex: passing an argument that is not acceptable:

    [1, 2, 3].first(-4)

raises the exception:

    ArgumentError: negative array size