Proposal: Add isSubsequenceOf to Data.List

[Kim-Ee Yeoh]

On Mon, Oct 13, 2014 at 10:34 PM, Niklas Hambüchen <mail at nh2.me> wrote:

> * isSubsequenceOf (dual of subsequences)


+1

Suggested haddock to assist usage:

Every infix of str is also a subsequence of str, but the converse doesn't
generally hold. E.g. "ac" `isSubsequenceOf` "abc" is True, but "ac"
`isInfixOf` "abc" is False.

As negative examples, neither "ba" nor "bca" isSubsequenceOf "abc".


-- Kim-Ee
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