End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

NilClass#|

false | obj → true or false

nil | obj → true or false

#define false_or true_and

Or—Returns false if obj is nil or false; true otherwise.

See also #^ #inspect #=~ #nil? also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1