diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-04-18 21:56:55 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-04-18 21:56:55 +0000 |
commit | 3ee0648dc7a5465b2cbadd7246fc2edbd676d759 (patch) | |
tree | 02b758f59e65fa4ea9b6861956807ba49be638d4 /array.c | |
parent | 4751caecc357c313c3c81c3d422a3cbc880c6ecc (diff) |
io.c: warn non-nil $,
* array.c (rb_ary_join_m): warn use of non-nil $,.
* io.c (rb_output_fs_setter): warn when set to non-nil value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67606 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -2358,11 +2358,11 @@ rb_ary_join_m(int argc, VALUE *argv, VALUE ary) { VALUE sep; - if (rb_check_arity(argc, 0, 1) == 0) { - sep = rb_output_fs; - } - else if (NIL_P(sep = argv[0])) { + if (rb_check_arity(argc, 0, 1) == 0 || NIL_P(sep = argv[0])) { sep = rb_output_fs; + if (!NIL_P(sep)) { + rb_warn("$, is set to non-nil value"); + } } return rb_ary_join(ary, sep); |