Adapt the operator exercise for the essentials course and day 1 of the advanced course. #573
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The first argument of the check macro is unnecessary if all checks are printed using the same width. This makes the code easier to read. Using the variadic macro approach from the previous commit, the solution could also be simplified.
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This exercise is used both in the essentials and the advanced course. We can therefore not require students to work with hidden friends and <=>. Here, all mentions of <=> are removed (there is a dedicated exercise on the third day of the advanced course), and the tasks are rephrased such that students can work on this exercise also in the essentials course. The diff between the original file and the solution is minimised, so viewing the solution with a diff program hopefully helps the students.
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sponce
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Oct 30, 2025
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This exercise is used both in the essentials and the advanced course.
<=>.<=>is discussed on the third day.Here, all mentions of
<=>are removed (there is a dedicated exercise onthe third day of the advanced course), and the mention of hidden friends now
refers only to the advanced course.
I'm unsure if we should provide an extra solution for the essentials course that
doesn't use the
friendkeyword anywhere?Furthermore, the diff between the original file and the solution was minimised, so
viewing the solution with a diff program is hopefully helpful for students.
Lastly, the syntax of the CHECK macro has been simplified by removing its first argument.
This will hopefully help a bit to focus on the operators.