Field.select: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend as Field
Lines 135-137 of bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/field.bend&start_line=135&end_line=137

import Base
import bend-collections@1.0.0.0/src/crypto/secp256k1/limbs.bend as L

# b ? x : y, branch-free, for b in {0, 1}
def select(+b: Nat, x: List<&2, Nat>, y: List<&2, Nat>) -> List<&2, Nat>:
  L.select(b, x, y)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/secp256k1/limbs.bend&name=select