[downut]

Missing the most important part: avoid them (including boost), when you have a choice.

Professionals often don't have that choice. Cue many thousands of comments on HN why working in c++ sucks.

[aantix]

What should be used for a solid trie tree implementation?

Looking to implement a memory efficient search engine.

[exdsq]

Not being sarcastic here - can you roll your own?