- bit-field-replace dest source start endprocedure
Returns dest with the field replaced by the least-significant end-start bits in source.
(bit-field-replace #b101010 #b010 1 4) => #b100100 (bit-field-replace #b110 1 0 1) => #b111 (bit-field-replace #b110 1 1 2) => #b110