I rarely use comments when I’m coding1. I do make one exception though; using // TODO: and // FIXME: to highlight pieces of code I need to revisit at a later date.

Jeffrey Sambells wrote a post on how to flag these comments as Xcode warnings but that only applies for Objective-C. With a slight tweak, here is a run script build phase for flagging TODO: and FIXME: as warnings in a Swift project.

Here is the bash script:

echo "searching ${SRCROOT} for ${TAGS}"
find "${SRCROOT}" \( -name "*.swift" \) -print0 | xargs -0 egrep --with-filename --line-number --only-matching "($TAGS).*\$" | perl -p -e "s/($TAGS)/ warning: \$1/"

Read full article on bendodson.com

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