Sasindu Alahakoon

> Reproducible with > > ```ballerina > public function main() { > json resp = (); > int population = (resp.population?.value ?: 0) / 1000000; > } > ``` In...

Codecov shows some lines i8n the `TypeChecker` not covered from tests. Add necessary tests for them or remove those lines

> I don't think the fix is correct. Please check the comments on the test changes. will check. Thanks.

> I don't think the fix is correct. Please check the comments on the test changes. Updated the PR. Please check.

Shall we add a one test for nested queries?

@Thushara-Piyasekara , According to the offline discussion with @heshanpadmasiri and the team, shall we add test functions as a entry point to find the non-used elements.

This PR need to mark as Draft, because there are few issues to clarify regarding langlib:regexp module ex:- https://github.com/ballerina-platform/ballerina-lang/issues/39729

> So you are suggesting to `[int, int]|string a = [1];` is should be a compile time error ryt? Isn't this is also inconsistent, because we allow filling for `[int,...

This is suggested in the Ballerina Update 5 RegExp community call. We can do the same scenario by using the `includesMatch` function in string module. But in this discussion i...

Resolves in. - https://github.com/ballerina-platform/ballerina-distribution/pull/5287