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Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →

class · Ruby 4.1

NoMethodError

< NameError 2 instance methods 1 class methods

Raised when a method is called on a receiver which doesn’t have it defined and also fails to respond with method_missing.

Example
"hello".to_ary

raises the exception:

NoMethodError: undefined method `to_ary' for an instance of String

Class methods 1

Instance methods 2