diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-04-18 21:56:55 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-04-18 21:56:55 +0000 |
commit | 3ee0648dc7a5465b2cbadd7246fc2edbd676d759 (patch) | |
tree | 02b758f59e65fa4ea9b6861956807ba49be638d4 /io.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 'io.c')
-rw-r--r-- | io.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -7525,6 +7525,16 @@ rb_f_printf(int argc, VALUE *argv) return Qnil; } +static void +rb_output_fs_setter(VALUE val, ID id, VALUE *var) +{ + rb_str_setter(val, id, &val); + if (!NIL_P(val)) { + rb_warn("non-nil $, will be deprecated"); + } + *var = val; +} + /* * call-seq: * ios.print -> nil @@ -13172,7 +13182,7 @@ Init_IO(void) rb_define_method(rb_cIO, "initialize", rb_io_initialize, -1); rb_output_fs = Qnil; - rb_define_hooked_variable("$,", &rb_output_fs, 0, rb_str_setter); + rb_define_hooked_variable("$,", &rb_output_fs, 0, rb_output_fs_setter); rb_default_rs = rb_fstring_lit("\n"); /* avoid modifying RS_default */ rb_gc_register_mark_object(rb_default_rs); |