U64.neg: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/math/u64.bend as U64
Lines 45-48 of bend-collections@1.0.0.0/src/math/u64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/math/u64.bend&start_line=45&end_line=48

import Base

# Two's-complement negation.
def neg(a: U64) -> U64:
  U64{+lo, +hi} = a
  neg_fin(U32.inc(U32.not(lo)), hi)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.inc
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.not
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/u64.bend&name=U64
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/u64.bend&name=neg_fin