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static <A extends Concept> void setRefIfEmpty(Concept.Ref<A> ref, IF0<A> f) { if (ref != null && !ref.has()) ref.set(f?!); }
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| Snippet ID: | #1032797 | 
| Snippet name: | setRefIfEmpty | 
| Eternal ID of this version: | #1032797/3 | 
| Text MD5: | 6a7b822cd1419de2b45b426e3f1681b1 | 
| Transpilation MD5: | b2d43849dd391a5d3b0ef1f641646cfd | 
| Author: | stefan | 
| Category: | javax / concepts | 
| Type: | JavaX fragment (include) | 
| Public (visible to everyone): | Yes | 
| Archived (hidden from active list): | No | 
| Created/modified: | 2021-10-06 07:13:56 | 
| Source code size: | 133 bytes / 4 lines | 
| Pitched / IR pitched: | No / No | 
| Views / Downloads: | 398 / 499 | 
| Version history: | 2 change(s) | 
| Referenced in: | [show references] |