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< > BotCompany Repo | #1025430 // MatchableRecords

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

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sclass MatchableRecords<A extends IFieldsToList> {
  new L<A> records;
  
  *() {}
  *(A... records) { addAll(this.records, records); }
  
  O fulfillVariable(IF1<Var, A> makeRecord) {
    new Var var;
    O result = null;
    A record = makeRecord.get(var);
    O[] a = record._fieldsToList();
    bigLoop: for (A r : records) {
      if (r.getClass() != record.getClass()) continue;
      O[] b = r._fieldsToList();
      if (b.length != a.length) fail("Bad argument length: " + record);
      for i over a:
        if (a[i] == var) {
          if (result != null && !eq(result, b[i]))
            continue bigLoop;
          result = b[i];
        } else
          if (!eq(a[i], b[i]))
            continue bigLoop;
            
      ret result;
    }
    null;
  }
}

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Snippet ID: #1025430
Snippet name: MatchableRecords
Eternal ID of this version: #1025430/3
Text MD5: b56a2f2c222f7655c00eaf6f8ac36f65
Transpilation MD5: 90282f56d9ee1531a2fce0628fe24ca7
Author: stefan
Category: javax / a.i.
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2019-09-28 23:49:20
Source code size: 799 bytes / 29 lines
Pitched / IR pitched: No / No
Views / Downloads: 220 / 603
Version history: 2 change(s)
Referenced in: #1034167 - Standard Classes + Interfaces (LIVE, continuation of #1003674)