diff options
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -245,6 +245,23 @@ rb_check_array_type(VALUE ary) /* * call-seq: + * Array.try_convert(obj) -> array or nil + * + * Try to convert <i>obj</i> into an array, using to_ary method. + * Returns converted array or nil if <i>obj</i> cannot be converted + * for any reason. + * + * Array.try_convert([1]) # => [1] + * Array.try_convert("1") # => nil + */ +static VALUE +rb_ary_s_try_convert(VALUE dummy, VALUE ary) +{ + return rb_check_array_type(ary); +} + +/* + * call-seq: * Array.new(size=0, obj=nil) * Array.new(array) * Array.new(size) {|index| block } @@ -2932,6 +2949,7 @@ Init_Array(void) rb_define_alloc_func(rb_cArray, ary_alloc); rb_define_singleton_method(rb_cArray, "[]", rb_ary_s_create, -1); + rb_define_singleton_method(rb_cArray, "try_convert", rb_ary_s_try_convert, 1); rb_define_method(rb_cArray, "initialize", rb_ary_initialize, -1); rb_define_method(rb_cArray, "initialize_copy", rb_ary_replace, 1); |