Introduce pattern matching [EXPERIMENTAL]

[ruby-core:87945] [Feature #14912]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/array.c b/array.c
index bcc653f387..45ca8e4bcd 100644
--- a/array.c
+++ b/array.c
@@ -6544,6 +6544,12 @@ rb_ary_sum(int argc, VALUE *argv, VALUE ary)
     return v;
 }
 
+static VALUE
+rb_ary_deconstruct(VALUE ary)
+{
+    return ary;
+}
+
 /*
  *  Arrays are ordered, integer-indexed collections of any object.
  *
@@ -6910,5 +6916,7 @@ Init_Array(void)
     rb_define_method(rb_cArray, "dig", rb_ary_dig, -1);
     rb_define_method(rb_cArray, "sum", rb_ary_sum, -1);
 
+    rb_define_method(rb_cArray, "deconstruct", rb_ary_deconstruct, 0);
+
     id_random = rb_intern("random");
 }