chars()
This is a deprecated alias for each_char.
static VALUE argf_chars(VALUE argf) { rb_warn("ARGF#chars is deprecated; use #each_char instead"); if (!rb_block_given_p()) return rb_enumeratorize(argf, ID2SYM(rb_intern("each_char")), 0, 0); return argf_each_char(argf); }