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1 | static <A, B> void mapPutStrictlyOrFail(Map<A, B> map, A key, B value) {
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2 | if (!(map != null && key != null && value != null)) ret; |
3 | B old = map.get(key); |
4 | if (old == null) { map.put(key, value); ret; }
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5 | if (eq(old, value)) ret; |
6 | fail("Can't overwrite key " + key + " (old value: " + old + ", new value: " + value);
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7 | } |
Began life as a copy of #1012146
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| Snippet ID: | #1035359 |
| Snippet name: | mapPutStrictlyOrFail - fail if value cannot be put strictly (i.e. not overwriting anything) |
| Eternal ID of this version: | #1035359/1 |
| Text MD5: | 43b5ecc498e3c70e4fb85c44e7d43de3 |
| Transpilation MD5: | 97a10ac489059ec9235756181286acf5 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-05-02 01:30:55 |
| Source code size: | 327 bytes / 7 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 350 / 440 |
| Referenced in: | [show references] |