()
| 64 | } |
| 65 | |
| 66 | private boolean step() { |
| 67 | if(next != NONE) |
| 68 | return true; |
| 69 | |
| 70 | while (next == NONE) { |
| 71 | if(buffer.isEmpty()) { |
| 72 | if(completed) { |
| 73 | return false; |
| 74 | } else if (sourceIter.hasNext()) { |
| 75 | Object iter = null; |
| 76 | if(multi) |
| 77 | iter = xf.applyTo(RT.cons(null, sourceIter.next())); |
| 78 | else |
| 79 | iter = xf.invoke(null, sourceIter.next()); |
| 80 | |
| 81 | if(RT.isReduced(iter)) { |
| 82 | xf.invoke(null); |
| 83 | completed = true; |
| 84 | } |
| 85 | } else { |
| 86 | xf.invoke(null); |
| 87 | completed = true; |
| 88 | } |
| 89 | } else { |
| 90 | next = buffer.remove(); |
| 91 | } |
| 92 | } |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | public boolean hasNext() { |
| 97 | return step(); |