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End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class · Ruby 3.1
NoMethodError
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 "hello":String