exceptionfactory commented on PR #6689:
URL: https://github.com/apache/nifi/pull/6689#issuecomment-1364408883
> What did you have in mind for implementing a literal null as a function
argument? I only question if it is more clearer than specifying to users to use
an empty string which we can convert to null on the back end.
I was thinking that `null` would be handled as a literal along the following
lines:
```
${getUri('https', null, 'nifi.apache.org', 8443, '/docs.html', null, null)}
```
An empty string could be passed to any of the string arguments, but it
allowing a `null` would avoid the need to convert the arguments and clarify
expected behavior.
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