def f1_num_of
import mlbend-metrics@0.1.0.0/main.bend as MlbendMetricsimport Base
286# the harmonic mean of two scores
287def f1_num_of(z: Bool, +p: F32, +r: F32) -> F32:
288 match z:
289 case True{}:
290 0.0
291 case False{}:
292 ((2.0 * p * r / (p + r) : F32))