MlbendMetrics.count_both.go: def of mlbend-metrics@0.1.0.0
Import: import mlbend-metrics@0.1.0.0/main.bend as MlbendMetrics
Lines 73-80 of mlbend-metrics@0.1.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=mlbend-metrics@0.1.0.0/main.bend&start_line=73&end_line=80

import Base

# the number of samples whose true label is k and whose predicted label
# is k too: the true positives of the class k
def count_both.go(ys: List<&2, Nat>, ps: List<&2, Nat>, +k: Nat, n: Nat) -> Nat:
  match ys ps:
    case Con{y, yt} Con{p, pt}:
      count_both.go(yt, pt, k, (n + same(y, k) * same(p, k) : Nat))
    case _ _:
      n

Uses (5):
  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=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=mlbend-metrics@0.1.0.0/main.bend&name=same