class IndexError - Ruby 2.2.4 Core API Reference API Reference

Ruby 2.2 Core API

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class IndexError

Raised when the given index is invalid.

a = [:foo, :bar]
a.fetch(0)   #=> :foo
a[4]         #=> nil
a.fetch(4)   #=> IndexError: index 4 outside of array bounds: -2...2

In Files

  • error.c

Parent

StandardError

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