song created LUCENE-8046:
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Summary: Redundant assign values to one variable continuously,
which makes the first assignment redundant and useless
Key: LUCENE-8046
URL: https://issues.apache.org/jira/browse/LUCENE-8046
Project: Lucene - Core
Issue Type: Improvement
Components: modules/analysis
Affects Versions: 7.0.1
Environment: Ubuntu 14.04.5 LTS
Reporter: song
Our static code analysis tool has scanned the codebase of Lucene 7.0.1, and
find 29 cases, that developers reassigned values to a variable continuously.
For example, the following code from file:
`analysis/common/src/java/org/tartarus/snowball/ext/CatalanStemmer.java`
{code:java}
cursor=limit - v_5;
cursor=limit_backward;
{code}
In the above code snippet, the second statement makes the first one redundant
and useless.
There are 29 cases in total in the codebase of Lucene.
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