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End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

FrozenError.new

FrozenError.new(msg=nil, receiver: nil) → frozen_error

Construct a new FrozenError exception. If given the receiver parameter may subsequently be examined using the FrozenError#receiver method.

Example
a = [].freeze
raise FrozenError.new("can't modify frozen array", receiver: a)
See also #receiver also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0