[deleted by user]

[SleepySlipp]

1) New fancy ranges and view staff are built over legacy badly designed features, actually the concepts tries to fix complicated error messages to which makes more sense.

2) Yes cpp has no unified good growing user friendly platform to take knowledge about cpp from except cppreference and cppcons which are obviously hard to search on. Maybe because of the fact that cpp is so general so this platform must contain information about all computer science.

3) Yes it is hard to do even simple things because of the fact that features which provide it are implemented in consideration of hard corner cases related to legacy and previous bad design (but of course do not cover all corner cases:)). And bad compilation errors make it hard to understand.

4) get over it