class ArgumentError - Ruby 2.2.4 Core API Reference API Reference

Ruby 2.2 Core API

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 (2 for 1)

Ex: passing an argument that is not acceptable:

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

raises the exception:

ArgumentError: negative array size

In Files

  • error.c

Parent

StandardError