iteratorFromFunction_withEndMarker_f0

< > BotCompany Repo | #1020979 // iteratorFromFunction_withEndMarker_f0_autoCloseable

JavaX fragment (include)

static <A> CloseableIterableIterator<A> iteratorFromFunction_withEndMarker_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
  class IFF2 extends CloseableIterableIterator<A> {
    A a;
    bool done;
    
    public bool hasNext() {
      getNext();
      ret !done;
    }
    
    public A next() {
      getNext();
      if (done) fail();
      A _a = a;
      a = null;
      ret _a;
    }
    
    void getNext() {
      if (done || a != null) ret;
      a = f.get();
      done = a == endMarker();
    }
    
    public void close() tex {
      if (closeable != null) closeable.close();
    }
  };
  ret new IFF2;
}

Author comment

Began life as a copy of #1017244

Travelled to 8 computer(s): bhatertpkbcr, cfunsshuasjs, gwrvuhgaqvyk, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1020979

Snippet name:

iteratorFromFunction_withEndMarker_f0_autoCloseable

Eternal ID of this version:

#1020979/1

Text MD5:

edbb3c6196055c7aa462a1c44cf71d38

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-01-15 16:53:50

Source code size:

665 bytes / 30 lines

Pitched / IR pitched:

No / No

Views / Downloads:

267 / 275

Referenced in:

[show references]

1	static <A> CloseableIterableIterator<A> iteratorFromFunction_withEndMarker_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
2	class IFF2 extends CloseableIterableIterator<A> {
3	A a;
4	bool done;
5
6	public bool hasNext() {
7	getNext();
8	ret !done;
9	}
10
11	public A next() {
12	getNext();
13	if (done) fail();
14	A _a = a;
15	a = null;
16	ret _a;
17	}
18
19	void getNext() {
20	if (done \|\| a != null) ret;
21	a = f.get();
22	done = a == endMarker();
23	}
24
25	public void close() tex {
26	if (closeable != null) closeable.close();
27	}
28	};
29	ret new IFF2;
30	}