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instance method

Symbol#empty?

() -> bool

empty? → true or false

# File tmp/rubies/ruby-4.1.0-preview1/symbol.rb, line 23
def empty?
  Primitive.attr! :leaf
  Primitive.cexpr! 'RBOOL(RSTRING_LEN(rb_sym2str(self)) == 0)'
end

Returns true if self is :'', false otherwise.

See also #downcase #encoding #casecmp? #end_with? also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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