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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 →

instance method

TrueClass#&

true & obj → true or false

And—Returns false if obj is nil or false, true otherwise.

See also #=== #^ also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0