`bit.ptr_dec`¶

ptr[:n] -= 2w

Signature¶

def ptr_dec ptr { ... }

Defined in bit/pointers.fj — lines 187–189 (view on GitHub).

Complexity¶

Time: 2w + 5@+12
Space: w(2@+6)

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

Source¶

Click to view the macro body

def ptr_dec ptr {
    .dec w-#w, ptr+(#w)*dw
}

Depends on¶

bit.dec

← Previous: bit.ptr_inc