TODO:
- Attach filenames and line numbers to tokens
- Support unicode
- Check code TODOs
- Type checking
- Parse scientific, binary, hexadecimal
- Power operator
- Support string, boolean, arrays, dict
- Debug flat for Pratt parsing
- Float operation for math
To Trace Pratt Parsing
Use -1 * 2 + 3 then
go test -v -run TestOperatorPrecedenceParsing ./src/parser