I've found both explicit future/promise management and coroutines difficult (even irritating) to reason about. Co-routines look simpler at the surface (than exp

I've found both explicit future/promise management and coroutines difficult (even irritating) to reason about. Co-routines look simpler at the surface (than explicit future chaining), and so their the syntax is less atrocious, but there are nasty traps. For example: https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rcoro-capture https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines...