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17083011ee
# Iteration per second (i/s) | |compare-ruby|built-ruby| |:------------|-----------:|---------:| |float | 30.395M| 38.314M| | | -| 1.26x| |float_true | 3.833M| 27.322M| | | -| 7.13x| |float_false | 4.182M| 24.938M| | | -| 5.96x|
53 lines
1.9 KiB
Ruby
53 lines
1.9 KiB
Ruby
module Kernel
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#
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# call-seq:
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# obj.clone(freeze: nil) -> an_object
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#
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# Produces a shallow copy of <i>obj</i>---the instance variables of
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# <i>obj</i> are copied, but not the objects they reference.
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# #clone copies the frozen value state of <i>obj</i>, unless the
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# +:freeze+ keyword argument is given with a false or true value.
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# See also the discussion under Object#dup.
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#
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# class Klass
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# attr_accessor :str
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# end
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# s1 = Klass.new #=> #<Klass:0x401b3a38>
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# s1.str = "Hello" #=> "Hello"
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# s2 = s1.clone #=> #<Klass:0x401b3998 @str="Hello">
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# s2.str[1,4] = "i" #=> "i"
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# s1.inspect #=> "#<Klass:0x401b3a38 @str=\"Hi\">"
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# s2.inspect #=> "#<Klass:0x401b3998 @str=\"Hi\">"
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#
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# This method may have class-specific behavior. If so, that
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# behavior will be documented under the #+initialize_copy+ method of
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# the class.
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#
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def clone(freeze: nil)
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__builtin_rb_obj_clone2(freeze)
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end
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module_function
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#
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# call-seq:
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# Float(arg, exception: true) -> float or nil
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#
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# Returns <i>arg</i> converted to a float. Numeric types are
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# converted directly, and with exception to String and
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# <code>nil</code> the rest are converted using
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# <i>arg</i><code>.to_f</code>. Converting a String with invalid
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# characters will result in a ArgumentError. Converting
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# <code>nil</code> generates a TypeError. Exceptions can be
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# suppressed by passing <code>exception: false</code>.
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#
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# Float(1) #=> 1.0
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# Float("123.456") #=> 123.456
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# Float("123.0_badstring") #=> ArgumentError: invalid value for Float(): "123.0_badstring"
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# Float(nil) #=> TypeError: can't convert nil into Float
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# Float("123.0_badstring", exception: false) #=> nil
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#
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def Float(arg, exception: true)
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__builtin_rb_f_float(arg, exception)
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end
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end
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