Method accept

src/runtime/join.ts:706–717

(multiIndex: MultiIndex, prefix, solvingFor, force?)

  }

  accept(multiIndex: MultiIndex, prefix, solvingFor, force?) {
    if(!force && !this.internalVars[solvingFor.id] || !fullyResolved(this.args, prefix)) return true;
    for(let branch of this.branches) {
      for(let stratum of branch.strata) {
        let result = preJoinAccept(multiIndex, stratum.scans, stratum.vars, prefix);
        if(result.accepted) {
          return true;
        }
      }
    }
    return false;
  }

}