set_namespace(rosettacode);

begin_funct(compose)_arg(f, g);
    []_ret(x)_calc([f]([g]([x])));
end_funct[];

me_msg()_funct(compose)_arg(f)_sin()_arg(g)_asin()_var(x)_value(0.5);    // result: 0.5

reset_namespace[];