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1 | static <A, B, C> C nestedMapRemove(Map<A, Map<B, C>> map, A a, B b) {
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2 | if (map == null) null; |
3 | Map<B, C> map2 = map.get(a); |
4 | if (map2 == null) null; |
5 | C oldValue = map2.remove(b); |
6 | if (empty(map2)) map.remove(a); |
7 | ret oldValue; |
8 | } |
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| Snippet ID: | #1027844 |
| Snippet name: | nestedMapRemove - remove entry from map in map; remove inner map if empty |
| Eternal ID of this version: | #1027844/1 |
| Text MD5: | f3b7ae624ea83bd6921f2a81bd2ffbdd |
| Transpilation MD5: | 2e0163fe5c85eadfc6535c6fa39f2618 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-04-15 02:14:11 |
| Source code size: | 241 bytes / 8 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 208 / 313 |
| Referenced in: | [show references] |