streams

We have utf8Decode but not utf8Encode, etc.

Arbitrarily large sets of Uni can result in too many concurrent connections in certain contexts.

We shall provide a limit, just like for async operations and flatmap-isms.

Hello frideos team,

I try to build web application, but it stuck with error:

══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
The following UnsupportedError was thrown building _InheritedState:
Unsupported operation: Platform._operatingSystem

The relevant error-causing widget was:
  _InheritedState
  file:///Users/macbook/flutter/