author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
Sat, 22 Oct 2016 18:29:54 +0100 | |
changeset 460 | 6a60e5ddd548 |
parent 435 | e08431a78f66 |
permissions | -rw-r--r-- |
412 | 1 |
def ders(s: List[Char], r: Rexp) : Rexp = s match { |
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Christian Urban <christian dot urban at kcl dot ac dot uk>
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case Nil => r |
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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case c::s => ders(s, simp(der(c, r))) |
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Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
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} |