1 | static <A> Collection<A> combinedCollection(final Collection<A> a, final Collection<A> b) {
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2 | if (empty(a)) ret b; |
3 | if (empty(b)) ret a; |
4 | |
5 | ret new AbstractCollection<A> {
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6 | public int size() { ret a.size() + b.size(); } // >= real value
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7 | public bool contains(O o) { ret a.contains(o) || b.contains(o); }
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8 | public Iterator<A> iterator() { fail("not implemented"); }
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9 | }; |
10 | } |
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| Snippet ID: | #1020676 |
| Snippet name: | combinedCollection - contains()-only combined collection |
| Eternal ID of this version: | #1020676/2 |
| Text MD5: | d9b057181196bd7522dd295185956cb9 |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-12-30 18:34:45 |
| Source code size: | 391 bytes / 10 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 274 / 311 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |