* a host fiber for `react-dom` is a fiber that has a DOM element
no pre-built packages.
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\setsq{2}{2}% b1 = wN
Semicolons are required after every statement. Curly braces delimit blocks. If you are coming from Go or Rust, this will feel natural. If you are coming from Python, the semicolons may take a few minutes to get used to.