diff options
Diffstat (limited to 'kernel.rb')
-rw-r--r-- | kernel.rb | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -26,4 +26,28 @@ module Kernel def clone(freeze: nil) __builtin_rb_obj_clone2(freeze) end + + module_function + + # + # call-seq: + # Float(arg, exception: true) -> float or nil + # + # Returns <i>arg</i> converted to a float. Numeric types are + # converted directly, and with exception to String and + # <code>nil</code> the rest are converted using + # <i>arg</i><code>.to_f</code>. Converting a String with invalid + # characters will result in a ArgumentError. Converting + # <code>nil</code> generates a TypeError. Exceptions can be + # suppressed by passing <code>exception: false</code>. + # + # Float(1) #=> 1.0 + # Float("123.456") #=> 123.456 + # Float("123.0_badstring") #=> ArgumentError: invalid value for Float(): "123.0_badstring" + # Float(nil) #=> TypeError: can't convert nil into Float + # Float("123.0_badstring", exception: false) #=> nil + # + def Float(arg, exception: true) + __builtin_rb_f_float(arg, exception) + end end |