End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Readline.point=

Readline.point = int

ext/readline/readline.c View on GitHub ↗

static VALUE
readline_s_set_point(VALUE self, VALUE pos)
{
    rl_point = NUM2INT(pos);
    return pos;
}

Set the index of the current cursor position in Readline.line_buffer.

Raises NotImplementedError if the using readline library does not support.

See also .point .pre_input_hook .output= .pre_input_hook= also in 3.2 · 3.0