From 4ca0483a2879d6db9174d26f62ea98de33058650 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 17 Mar 2016 12:37:20 +0000
Subject: * array.c (rb_ary_max, rb_ary_min): implement Array#max and min with 
  arguments.  replace super call with rb_nmin_run.

* enum.c (nmin_run): exported (as rb_nmin_run).

* internal.h: added a prototype for rb_nmin_run.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 enum.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

(limited to 'enum.c')

diff --git a/enum.c b/enum.c
index 914faeffbf..41243cc79e 100644
--- a/enum.c
+++ b/enum.c
@@ -1374,8 +1374,8 @@ nmin_i(VALUE i, VALUE *_data, int argc, VALUE *argv)
     return Qnil;
 }
 
-static VALUE
-nmin_run(VALUE obj, VALUE num, int by, int rev)
+VALUE
+rb_nmin_run(VALUE obj, VALUE num, int by, int rev, int ary)
 {
     VALUE result;
     struct nmin_data data;
@@ -1398,7 +1398,17 @@ nmin_run(VALUE obj, VALUE num, int by, int rev)
     data.by = by;
     data.method = rev ? (by ? "max_by" : "max")
                       : (by ? "min_by" : "min");
-    rb_block_call(obj, id_each, 0, 0, nmin_i, (VALUE)&data);
+    if (ary) {
+	long i;
+	for (i = 0; i < RARRAY_LEN(obj); i++) {
+	   VALUE args[1];
+	   args[0] = RARRAY_AREF(obj, i);
+	   nmin_i(obj, (VALUE*)&data, 1, args);
+	}
+    }
+    else {
+	rb_block_call(obj, id_each, 0, 0, nmin_i, (VALUE)&data);
+    }
     nmin_filter(&data);
     result = data.buf;
     if (by) {
@@ -1564,7 +1574,7 @@ enum_min(int argc, VALUE *argv, VALUE obj)
     rb_scan_args(argc, argv, "01", &num);
 
     if (!NIL_P(num))
-       return nmin_run(obj, num, 0, 0);
+       return rb_nmin_run(obj, num, 0, 0, 0);
 
     m->min = Qundef;
     m->cmp_opt.opt_methods = 0;
@@ -1657,7 +1667,7 @@ enum_max(int argc, VALUE *argv, VALUE obj)
     rb_scan_args(argc, argv, "01", &num);
 
     if (!NIL_P(num))
-       return nmin_run(obj, num, 0, 1);
+       return rb_nmin_run(obj, num, 0, 1, 0);
 
     m->max = Qundef;
     m->cmp_opt.opt_methods = 0;
@@ -1878,7 +1888,7 @@ enum_min_by(int argc, VALUE *argv, VALUE obj)
     RETURN_SIZED_ENUMERATOR(obj, argc, argv, enum_size);
 
     if (!NIL_P(num))
-        return nmin_run(obj, num, 1, 0);
+        return rb_nmin_run(obj, num, 1, 0, 0);
 
     memo = MEMO_NEW(Qundef, Qnil, 0);
     rb_block_call(obj, id_each, 0, 0, min_by_i, (VALUE)memo);
@@ -1983,7 +1993,7 @@ enum_max_by(int argc, VALUE *argv, VALUE obj)
     RETURN_SIZED_ENUMERATOR(obj, argc, argv, enum_size);
 
     if (!NIL_P(num))
-        return nmin_run(obj, num, 1, 1);
+        return rb_nmin_run(obj, num, 1, 1, 0);
 
     memo = MEMO_NEW(Qundef, Qnil, 0);
     rb_block_call(obj, id_each, 0, 0, max_by_i, (VALUE)memo);
-- 
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