Stream API and types

Continuing the discussion from Rust beginner notes & questions:

Thread generates Discussing emerging memory and Rust

Note: Thread (attempts to) generate Towards a more perfect RustIO.

Culminates to: Towards a more perfect RustIO - #48 by peter_bertok

User @peter_bertok appears to be good at this kind of applied problem. The knowledge in this collection of links is slightly esoteric, so tread with due caution. Create and link new topics as required.