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update rm_if

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zhangxiaoyu.york 2024-08-23 12:08:30 +08:00
parent ca0e352d55
commit e0e66c3ccb
1 changed files with 2 additions and 2 deletions
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@ -534,10 +534,10 @@ Values can be deleted with the `rm` method passing the key to be deleted as a pa
should point to an existing value. There are conditional variations for deletion too. should point to an existing value. There are conditional variations for deletion too.
* `rm(std::string const& key)` unconditionally deletes the given key * `rm(std::string const& key)` unconditionally deletes the given key
* `rm_if(key, value, old_value)` deletes an already existing value but only if the previous * `rm_if(key, old_value)` deletes an already existing value but only if the previous
value equals with old_value. If the values does not match returns with "Compare failed" error value equals with old_value. If the values does not match returns with "Compare failed" error
(code `ERROR_COMPARE_FAILED`) (code `ERROR_COMPARE_FAILED`)
* `rm_if(key, value, old_index)` deletes an already existing value but only if the index of * `rm_if(key, old_index)` deletes an already existing value but only if the index of
the previous value equals with old_index. If the indices does not match returns with "Compare the previous value equals with old_index. If the indices does not match returns with "Compare
failed" error (code `ERROR_COMPARE_FAILED`) failed" error (code `ERROR_COMPARE_FAILED`)