< > BotCompany Repo | #1002467 // indexByField - returns HashMap. doesn't store null values

JavaX fragment (include) [tags: use-pretranspiled]

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// does not store null values
static Map indexByField(Iterable c, S field) {
  new HashMap map;
  for (O a : c) {
    O val = getOpt(a, field);
    if (val != null)
      map.put(val, a);
  }
  ret map;
}

static Map mapMethodLike indexByField(S field, Iterable c) {
  ret indexByField(c, field);
}

Author comment

Began life as a copy of #1002318

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