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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-08-13 05:45:20 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-08-13 05:45:20 +0000
commit65a5162550f58047974793cdc8067a970b2435c0 (patch)
tree082bb7d5568f3b2e36e3fe166e9f3039394fcf44 /enum.c
parentfcd020c83028f5610d382e85a2df00223e12bd7e (diff)
1.4.0
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'enum.c')
-rw-r--r--enum.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/enum.c b/enum.c
index 2b4b904..dc7e211 100644
--- a/enum.c
+++ b/enum.c
@@ -6,7 +6,7 @@
$Date$
created at: Fri Oct 1 15:15:19 JST 1993
- Copyright (C) 1993-1998 Yukihiro Matsumoto
+ Copyright (C) 1993-1999 Yukihiro Matsumoto
************************************************/
@@ -56,6 +56,7 @@ enum_grep(obj, pat)
arg[0] = pat; arg[1] = tmp = rb_ary_new();
rb_iterate(rb_each, obj, grep_i, (VALUE)arg);
+ if (RARRAY(tmp)->len == 0) return Qnil;
return tmp;
}
}
@@ -122,6 +123,28 @@ enum_find_all(obj)
}
static VALUE
+reject_i(i, tmp)
+ VALUE i, tmp;
+{
+ if (!RTEST(rb_yield(i))) {
+ rb_ary_push(tmp, i);
+ }
+ return Qnil;
+}
+
+static VALUE
+enum_reject(obj)
+ VALUE obj;
+{
+ VALUE tmp;
+
+ tmp = rb_ary_new();
+ rb_iterate(rb_each, obj, reject_i, tmp);
+
+ return tmp;
+}
+
+static VALUE
collect_i(i, tmp)
VALUE i, tmp;
{
@@ -373,7 +396,10 @@ Init_Enumerable()
rb_define_method(rb_mEnumerable,"sort", enum_sort, 0);
rb_define_method(rb_mEnumerable,"grep", enum_grep, 1);
rb_define_method(rb_mEnumerable,"find", enum_find, -1);
+ rb_define_method(rb_mEnumerable,"detect", enum_find, -1);
rb_define_method(rb_mEnumerable,"find_all", enum_find_all, 0);
+ rb_define_method(rb_mEnumerable,"select", enum_find_all, 0);
+ rb_define_method(rb_mEnumerable,"reject", enum_reject, 0);
rb_define_method(rb_mEnumerable,"collect", enum_collect, 0);
rb_define_method(rb_mEnumerable,"min", enum_min, 0);
rb_define_method(rb_mEnumerable,"max", enum_max, 0);