End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

ARGF#to_s

ARGF.to_s → String

static VALUE
argf_to_s(VALUE argf)
{
    return rb_str_new2("ARGF");
}

Returns “ARGF”.

See also #to_io #to_write_io #to_i #write also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0