diff options
Diffstat (limited to 'object.c')
-rw-r--r-- | object.c | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -1479,6 +1479,19 @@ nil_inspect(VALUE obj) return rb_usascii_str_new2("nil"); } +/* + * call-seq: + * nil =~ other -> nil + * + * Dummy pattern matching -- always returns nil. + */ + +static VALUE +nil_match(VALUE obj1, VALUE obj2) +{ + return Qnil; +} + /*********************************************************************** * Document-class: TrueClass * @@ -1673,6 +1686,7 @@ rb_false(VALUE obj) static VALUE rb_obj_match(VALUE obj1, VALUE obj2) { + rb_warning("Object#=~ is deprecated; it always returns nil"); return Qnil; } @@ -4149,6 +4163,7 @@ InitVM_Object(void) rb_define_method(rb_cNilClass, "to_a", nil_to_a, 0); rb_define_method(rb_cNilClass, "to_h", nil_to_h, 0); rb_define_method(rb_cNilClass, "inspect", nil_inspect, 0); + rb_define_method(rb_cNilClass, "=~", nil_match, 1); rb_define_method(rb_cNilClass, "&", false_and, 1); rb_define_method(rb_cNilClass, "|", false_or, 1); rb_define_method(rb_cNilClass, "^", false_xor, 1); |