mdgriffith/elm-optimize-level-2
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Added some documentation for the optimization

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notes/transformations.md
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@ -459,3 +459,13 @@ It's pretty common to put things in a tuple (or threeple) to start a case statem
```
We could skip allocating the tuple though.
# String Joining
For joining (and concating) strings, Elm uses Javascript's Array join method after converting the list into a Javascript array.
We can replace this implementation with a faster one that traverses the list and builds the string through concatenation instead.
## Results Summary
* Not included in elm-optimize-level-2 tool
* The implementation used is similar to the improved String.join implementation [here](https://gitlab.com/e-neighborhood-watch/elm-string-benchmarks/#stringjoin) which sees some serious improvements over Elm's normal String.join.