diff options
-rw-r--r-- | numeric.c | 1 | ||||
-rw-r--r-- | numeric.rb | 19 |
2 files changed, 20 insertions, 0 deletions
@@ -5991,6 +5991,7 @@ rb_int_s_isqrt(VALUE self, VALUE num) } } +/* :nodoc: */ static VALUE int_s_try_convert(VALUE self, VALUE num) { diff --git a/numeric.rb b/numeric.rb index 08b31ac307..d48a4ee336 100644 --- a/numeric.rb +++ b/numeric.rb @@ -229,6 +229,25 @@ class Integer end end +# call-seq: +# Integer.try_convert(object) -> object, integer, or nil +# +# If +object+ is an \Integer object, returns +object+. +# +# Otherwise if +object+ responds to <tt>:to_int</tt>, +# calls <tt>object.to_int</tt> and returns the result. +# +# Returns +nil+ if +object+ does not respond to <tt>:to_ary</tt> +# +# Raises an exception unless <tt>object.to_int</tt> returns an \Integer object. +# +def Integer.try_convert(num) +=begin + Primitive.attr! 'inline' + Primitive.cexpr! 'rb_check_integer_type(num)' +=end +end if false + class Float # # call-seq: |