Another tidbit that is useful in a comment is documenting special values in the inputs or outputs. No one wants to trace code to find out what are valid parameters or what meaning a nil or null takes in a parameter. Depending on your language the expected types can be critical as well.
Sometimes this is obvious, but if it isn't a comment is much easier.
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Another tidbit that is useful in a comment is documenting special values in the inputs or outputs. No one wants to trace code to find out what are valid parameters or what meaning a nil or null takes in a parameter. Depending on your language the expected types can be critical as well.
Sometimes this is obvious, but if it isn't a comment is much easier.