diff options
Diffstat (limited to 'object.c')
-rw-r--r-- | object.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -2968,11 +2968,14 @@ FUNC_MINIMIZED(static VALUE rb_f_float(VALUE obj, VALUE arg)); * Float(arg) -> float * * Returns <i>arg</i> converted to a float. Numeric types are converted - * directly, the rest are converted using <i>arg</i>.to_f. + * directly, and with exception to string and nil the rest are converted using <i>arg</i>.to_f. + * Converting a <code>string</code> with invalid characters will result in a <code>ArgumentError</code>. * Converting <code>nil</code> generates a <code>TypeError</code>. * - * Float(1) #=> 1.0 - * Float("123.456") #=> 123.456 + * 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 */ static VALUE |