`hex.shl_bit`¶

dst[:n] <<= 1

Signature¶

def shl_bit n, dst { ... }

Defined in hex/shifts.fj — lines 8–11 (view on GitHub).

See the complexity glossary for what @, w, dw, dbit, n mean.

Click to view the macro body

def shl_bit n, dst {
    .shifts.shl_bit_once dst+(n-1)*dw, 0
    rep(n-1, i) .shifts.shl_bit_once dst+(n-2-i)*dw, dst+(n-1-i)*dw
}