iteratorFromFunction_if0 - ends on null [1024889]

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LINES

< > BotCompany Repo | #1024889 // iteratorFromFunction_if0 - ends on null

JavaX fragment (include)

static <A> IterableIterator<A> iteratorFromFunction_if0(final IF0<A> f) {
  class IFF2 extends IterableIterator<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 == null;
    }
  };
  ret new IFF2;
}

Author comment

Began life as a copy of #1012440

download show line numbers debug dex old transpilations

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Snippet ID:	#1024889
Snippet name:	iteratorFromFunction_if0 - ends on null
Eternal ID of this version:	#1024889/1
Text MD5:	b27ffd95209b36b4c9f41d951a901045
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2019-08-28 19:41:07
Source code size:	490 bytes / 26 lines
Pitched / IR pitched:	No / No
Views / Downloads:	518 / 537
Referenced in:	[show references]

1	static <A> IterableIterator<A> iteratorFromFunction_if0(final IF0<A> f) {
2	class IFF2 extends IterableIterator<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 == null;
23	}
24	};
25	ret new IFF2;
26	}