archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-15 21:49:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

* array.c (rb_ary_s_try_convert): a new class method to convert

Browse source 
object or nil if it's not target-type.  this mechanism is used
  to convert types in the C implemented methods.

* hash.c (rb_hash_s_try_convert): ditto.

* io.c (rb_io_s_try_convert): ditto.

* re.c (rb_reg_s_try_convert): ditto.

* string.c (rb_str_s_try_convert): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13251 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2007-08-24 17:47:09 +00:00
parent 487a7da22d
commit 5e1c401ff5
6 changed files with 103 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

18
array.c
View file

@ -243,6 +243,23 @@ rb_check_array_type(VALUE ary)
return rb_check_convert_type(ary, T_ARRAY, "Array", "to_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)
@ -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);