On 10/12/2020 11:17 AM, Steven Schveighoffer wrote: > As I understand it, these functions to import mappings are hard coded in the > compiler. https://github.com/dlang/dmd/blob/master/src/dmd/imphint.d Of course, this won't work for "to" since there are multiple declarations of "to" in Phobos (shoot me now).