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9d35d24cd4
- Error handling to signal what is preventing evaluation instead of
program crash
- Small editor feature (allow edit new
line of code to complete the previous ones instead of destroying the
input, if an empty line inserted return the error preventing evaluation
- Auto indentation on multiline input based on depth
Still does not parse multi-statement code
- This is a problem when dealing with macros: does not allow
expressions like `'()` since the atomic `'` hides the list ().
Need to chose between:
- Replace `'...` with `(quote ... )` during tokenization (may be
hard to implement macros later)
- Allows multi-statement code (this also allows to execute multiple
statements when reading a file)
Will probably delete auto-indentation since it breaks code's uniformity
too much