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module Warning
Public Instance Methods
static VALUE
rb_warning_s_warn(VALUE mod, VALUE str)
{
    Check_Type(str, T_STRING);
    rb_must_asciicompat(str);
    rb_write_error_str(str);
    return Qnil;
}Ruby Core © 1993–2017 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.