This has a lot to do with Rob Pike's programming style, as you can see from the plan 9 source: https://github.com/cao-xx/plan-9/blob/master/sys/src/libregexp/re

This has a lot to do with Rob Pike's programming style, as you can see from the plan 9 source: https://github.com/cao-xx/plan-9/blob/master/sys/src/libregexp/regaux.c https://github.com/cao-xx/plan-9/blob/master/sys/src/librege...