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* enum.c (enum_inject): use the first iterated element as the

initial value when omitted.

* enum.c (inject_i): ditto.

* enum.c (Init_Enumerable): Enumerable#inject now takes variable
  count arguments.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2002-03-18 01:46:33 +00:00
parent b4e74d4038
commit cecb9cae01
2 changed files with 34 additions and 7 deletions

View file

@ -8,6 +8,16 @@ Sat Mar 16 22:43:53 2002 WATANABE Hirofumi <eban@ruby-lang.org>
* missing/fileblocks.c: add for autoconf.
Sat Mar 16 09:04:58 2002 Koji Arai <JCA02266@nifty.ne.jp>
* enum.c (enum_inject): use the first iterated element as the
initial value when omitted.
* enum.c (inject_i): ditto.
* enum.c (Init_Enumerable): Enumerable#inject now takes variable
count arguments.
Fri Mar 15 19:47:31 2002 Nobuyoshi Nakada <nobu.nakada@nifty.ne.jp>
* win32/win32.c (StartSockets): remove duplicated lines.

31
enum.c
View file

@ -180,20 +180,37 @@ enum_collect(obj)
}
static VALUE
inject_i(i, np)
inject_i(i, memo)
VALUE i;
VALUE *np;
NODE *memo;
{
*np = rb_yield(rb_assoc_new(*np, i));
if (memo->u2.value) {
memo->u2.value = Qfalse;
memo->u1.value = i;
}
else
memo->u1.value = rb_yield(rb_assoc_new(memo->u1.value, i));
return Qnil;
}
static VALUE
enum_inject(obj, n)
VALUE obj, n;
enum_inject(argc, argv, obj)
int argc;
VALUE *argv, obj;
{
rb_iterate(rb_each, obj, inject_i, (VALUE)&n);
NODE *memo;
VALUE n;
if (rb_scan_args(argc, argv, "01", &n) == 1)
memo = rb_node_newnode(NODE_MEMO, n, Qfalse, 0);
else
memo = rb_node_newnode(NODE_MEMO, Qnil, Qtrue, 0);
rb_iterate(rb_each, obj, inject_i, (VALUE)memo);
n = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return n;
}
@ -448,7 +465,7 @@ Init_Enumerable()
rb_define_method(rb_mEnumerable,"reject", enum_reject, 0);
rb_define_method(rb_mEnumerable,"collect", enum_collect, 0);
rb_define_method(rb_mEnumerable,"map", enum_collect, 0);
rb_define_method(rb_mEnumerable,"inject", enum_inject, 1);
rb_define_method(rb_mEnumerable,"inject", enum_inject, -1);
rb_define_method(rb_mEnumerable,"all?", enum_all, 0);
rb_define_method(rb_mEnumerable,"any?", enum_any, 0);
rb_define_method(rb_mEnumerable,"min", enum_min, 0);