On Friday, 7 July 2023 at 03:06:28 UTC, Walter Bright wrote:
As time moves on, the D language has to evolve as well. What do we do with obsolete and/or problem-causing, legacy features?
As long as the compiler code is not deleted, it can be ensured that the `compilation` compiles the `previous code`. It is recommended to create a `deprecation` directory to specifically collect the `deprecation` function.