1 | sclass AutoInitVar<A> extends Var<A> {
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2 | O make; |
3 | bool has; |
4 | Lock lock = lock(); |
5 | |
6 | *() {}
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7 | *(O *make) {}
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8 | |
9 | public A get() {
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10 | if (has) ret super.get(); |
11 | lock lock; |
12 | if (has) ret super.get(); |
13 | set((A) pcallF(make)); |
14 | make = null; |
15 | has = true; |
16 | ret super.get(); |
17 | } |
18 | } |
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| Snippet ID: | #1009679 |
| Snippet name: | AutoInitVar - thread-safe variable that initializes itself once |
| Eternal ID of this version: | #1009679/2 |
| Text MD5: | 6bb98c46a4ed39f26c2b1d873c6bb9f2 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-08-29 00:06:14 |
| Source code size: | 311 bytes / 18 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 451 / 1459 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |