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instance method

Integer#zero?

() -> bool

zero? → true or false

# File tmp/rubies/ruby-4.1.0-preview1/numeric.rb, line 288
def zero?
  Primitive.attr! :leaf
  Primitive.cexpr! 'rb_int_zero_p(self)'
end

Returns true if self has a zero value, false otherwise.

See also #upto #truncate also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0