package jetbrains.mps.baseLanguage.collections.samples.sequence_queries; /*Generated by MPS */ import jetbrains.mps.internal.collections.runtime.Sequence; import jetbrains.mps.internal.collections.runtime.ISequenceClosure; import java.util.Iterator; import jetbrains.mps.baseLanguage.closures.runtime.YieldingIterator; import jetbrains.mps.internal.collections.runtime.IVisitor; import jetbrains.mps.internal.collections.runtime.StopIteratingException; /*package*/ class Main_forEach_operation { /*package*/ Main_forEach_operation() { } /*package*/ static void main(String[] args) { Iterable<Integer> nums = Sequence.fromClosure(new ISequenceClosure<Integer>() { public Iterable<Integer> iterable() { return new Iterable<Integer>() { public Iterator<Integer> iterator() { return new YieldingIterator<Integer>() { private int __CP__ = 0; protected boolean moveToNext() { __loop__: do { __switch__: switch (this.__CP__) { case -1: assert false : "Internal error"; return false; case 4: if (true) { this.__CP__ = 5; break; } this.__CP__ = 1; break; case 6: this.__CP__ = 7; this.yield(_3_num); return true; case 0: this._3_num = 0; this.__CP__ = 4; break; case 5: this.__CP__ = 6; break; case 7: _3_num++; this.__CP__ = 4; break; default: break __loop__; } } while (true); return false; } private int _3_num; }; } }; } }); System.out.println("from infinite sequence take first 10 numbers,"); System.out.println("ignore odd numbers,"); System.out.println("print even numbers"); Sequence.fromIterable(nums).visitAll(new IVisitor<Integer>() { public void visit(Integer n) { __skip__: do { if (n >= 10) { throw new StopIteratingException(); } if (n % 2 != 0) { break __skip__; } System.out.println(n); } while (false); } }); } }