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2c574ca7e2
[Feature #22137] It has returned a chilled string, hence emitting deprecation warnings for two versions.
40 lines
731 B
Ruby
40 lines
731 B
Ruby
class Symbol
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# call-seq:
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# to_s -> string
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#
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# Returns a frozen string representation of +self+ (not including the leading colon):
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#
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# :foo.to_s # => "foo"
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# :foo.name.frozen? # => true
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#
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# Related: Symbol#inspect
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def to_s
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Primitive.attr! :leaf
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Primitive.cexpr! 'rb_sym2str(self)'
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end
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alias id2name to_s
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alias name to_s
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# call-seq:
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# empty? -> true or false
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#
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# Returns +true+ if +self+ is <tt>:''</tt>, +false+ otherwise.
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def empty?
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Primitive.attr! :leaf
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Primitive.cexpr! 'RBOOL(RSTRING_LEN(rb_sym2str(self)) == 0)'
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end
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# call-seq:
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# to_sym -> self
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#
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# Returns +self+.
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#
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# Related: String#to_sym.
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def to_sym
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self
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end
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alias intern to_sym
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end
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