- bit-field i start endprocedure
Returns the field from i, shifted down to the least-significant position in the result.
(bit-field #b1101101010 0 4) => #b1010 (bit-field #b1101101010 3 9) => #b101101 (bit-field #b1101101010 4 9) => #b10110 (bit-field #b1101101010 4 10) => #b110110 (bit-field 6 0 1) => 0 (bit-field 6 1 3) => 3 (bit-field 6 2 999) => 1 (bit-field #x100000000000000000000000000000000 128 129) => 1