Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
Integer#zero?
() -> bool
zero? → true or false
numeric.rb
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# File tmp/rubies/ruby-3.4.1/numeric.rb, line 283
def zero?
Primitive.attr! :leaf
Primitive.cexpr! 'rb_int_zero_p(self)'
end
Returns true if self has a zero value, false otherwise.