diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-03-16 06:02:37 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-03-16 06:02:37 +0000 |
commit | a920c29c16c8ffa2afe3f4126d307ee0001d5bc8 (patch) | |
tree | 1f14fbcedd311ee764b48e6938f775e850a8795a /enum.c | |
parent | a157c85a7f1e6e11399c682218a60ebcdd093686 (diff) |
* enum.c (enum_first): remove duplication.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35059 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 33 |
1 files changed, 3 insertions, 30 deletions
@@ -703,22 +703,7 @@ first_i(VALUE i, VALUE params, int argc, VALUE *argv) return Qnil; /* not reached */ } -static VALUE -first_ary_i(VALUE i, VALUE params, int argc, VALUE *argv) -{ - NODE *memo = RNODE(params); - long n = memo->u3.cnt; - - ENUM_WANT_SVALUE(); - - rb_ary_push(memo->u1.value, i); - n--; - if (n <= 0) { - rb_iter_break(); - } - memo->u3.cnt = n; - return Qnil; -} +static VALUE enum_take(VALUE obj, VALUE n); /* * call-seq: @@ -740,21 +725,9 @@ static VALUE enum_first(int argc, VALUE *argv, VALUE obj) { NODE *memo; + rb_check_arity(argc, 0, 1); if (argc > 0) { - VALUE ary = Qnil; - VALUE n; - long len = 0; - - rb_scan_args(argc, argv, "01", &n); - len = NUM2LONG(n); - if (len == 0) return rb_ary_new2(0); - if (len < 0) { - rb_raise(rb_eArgError, "negative length"); - } - ary = rb_ary_new2(len); - memo = NEW_MEMO(ary, 0, len); - rb_block_call(obj, id_each, 0, 0, first_ary_i, (VALUE)memo); - return ary; + return enum_take(obj, argv[0]); } else { memo = NEW_MEMO(Qnil, 0, 0); |