hex.swap (arity 2)

hex1, hex2 = hex2, hex1

both hex1,hex2 are hexes.

Signature

def swap hex1, hex2 @ end { ... }

Defined in hex/memory.fj — lines 103–109 (view on GitHub).

Complexity

• Time: 3@+1

• Space: 3@+37

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

Source

Click to view the macro body

def swap hex1, hex2 @ end {
    stl.comp_if1 hex1==hex2, end
    .xor hex1, hex2
    .xor hex2, hex1
    .xor hex1, hex2
  end:
}

Depends on

• hex.xor/2

• stl.comp_if1

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