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error.c: splat warn arguments

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* error.c (rb_warn_m): print array arguments with splatting.
  it is often used with `caller`.
  [ruby-core:80849] [Feature #12944]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-04-26 08:11:32 +00:00
parent 6c8852c1d3
commit ec7833ef36
1 changed files with 2 additions and 12 deletions
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14
error.c
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@ -302,18 +302,7 @@ static VALUE
rb_warn_m(int argc, VALUE *argv, VALUE exc)
{
if (!NIL_P(ruby_verbose) && argc > 0) {
int i;
VALUE str;
for (i = 0; i < argc; i++) {
str = rb_obj_as_string(argv[i]);
if (RSTRING_LEN(str) == 0) {
str = rb_default_rs;
}
else if (!rb_str_end_with_asciichar(str, '\n')) {
str = rb_str_cat(rb_str_dup(str), "\n", 1);
}
rb_write_warning_str(str);
}
rb_io_puts(argc, argv, rb_mWarning);
}
return Qnil;
}
@ -2187,6 +2176,7 @@ Init_Exception(void)
rb_mWarning = rb_define_module("Warning");
rb_define_method(rb_mWarning, "warn", rb_warning_s_warn, 1);
rb_define_method(rb_mWarning, "write", rb_warning_s_warn, 1);
rb_extend_object(rb_mWarning, rb_mWarning);
rb_define_global_function("warn", rb_warn_m, -1);