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Yiannis Tsiouris authored
This adds two functions in Utils.hs: 'wrap' and 'trim' along with some simple tests. 'wrap' is used in Common.hs for wrapping command descriptions to a fixed line length, e.g. useful for the "--help" option. Signed-off-by: Yiannis Tsiouris <gtsiour@softlab.ntua.gr> Signed-off-by: Iustin Pop <iustin@google.com> Reviewed-by: Iustin Pop <iustin@google.com>
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