Macros were an early Swift goal, but were not the highest priority or a small amount of work that could be tackled as part of meeting higher priority goals. As

Macros were an early Swift goal, but were not the highest priority or a small amount of work that could be tackled as part of meeting higher priority goals. As an example - one could argue property wrappers exist because they were needed before macros could get done, and their syntax was chosen to align with where the Swift core team thought macros would land in the future.