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Verifying my Blockstack ID is secured with the address 17pSPXJkWggas5y6rxLdWVQxQkiAfH7LMu https://explorer.blockstack.org/address/17pSPXJkWggas5y6rxLdWVQxQkiAfH7LMu
{-# OPTIONS -fwarn-incomplete-patterns #-}
-- return a Maybe value either containing the first number
-- over 20, or Nothing
over20 :: [Int] -> Maybe Int
over20 (h:tl)
| h > 20 = Just h
| otherwise = over20 tl
over20 [] = Nothing
0x4994cf4b130e47174cb9b43de151d2572992773b
Verifying that +reed is my blockchain ID. https://onename.com/reed

Keybase proof

I hereby claim:

  • I am reedrosenbluth on github.
  • I am reedrosenbluth (https://keybase.io/reedrosenbluth) on keybase.
  • I have a public key whose fingerprint is 158D 59A0 3DA6 DAB5 48CB 9F36 70FE 29FC 4FE4 AC3C

To claim this, I am signing this object: