[Issue 16649] Header gen skips parens

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16649

--- Comment #2 from Temtaime <temta...@gmail.com> ---
If it's a templated function, then with -inline it should contain the code too.
Just try to create a header from bigint.d from phobos

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