help2002

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help2002

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UWA week 35 (2nd semester, week 6) ↓

1st project error printing requirements (all 3)

3:24pm Wed 28th Aug, Christopher M.

ANONYMOUS wrote:

> The project requirements state that we need to catch usage errors and syntax errors. While it is stated that syntax errors must be reported to stderr beginning with a "!", I'm not sure what the following "@" character for debug printing is referring to.

Syntactic errors in an ml program should be reported on a line beginning with a '!', such as ! unrecognised statement They are different to any other debug statements that you wish to print out, such as @ now in function process_statement which you may use to simply explain (to yourself) what your runml program is doing, or where it's up to. Make more sense?