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wait wait 
<- dis me rn with a grilled avocado sandwich i don't want people asking why demo in 0.1x speed shows cursor and hook collision being mismatch 
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and you can't do anything about it
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where is my multi map loader where is my multi map loader 
i was planning on doing ddnet stuff every night while working on my own stuff
combining the first digit and the last digit (in that order) to form a single two-digit number.
For example:
1abc2
pqr3stu8vwx
a1b2c3d4e5f
treb7uchet
In this example, the calibration values of these four lines are 12, 38, 15, and 77. Adding these together produces 142.
Consider your entire calibration document. What is the sum of all of the calibration values?
ngl, as someone who is just learning a language this is pretty tough ""little"" overengineered no? 
today i learned
buf_reader.reader().readUntilDelimiterOrEof() exists
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combining the first digit and the last digit (in that order) to form a single two-digit number.
For example:
1abc2
pqr3stu8vwx
a1b2c3d4e5f
treb7uchet
In this example, the calibration values of these four lines are 12, 38, 15, and 77. Adding these together produces 142.
Consider your entire calibration document. What is the sum of all of the calibration values?
ngl, as someone who is just learning a language this is pretty tough 
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import Control.Monad (liftM2)
import Data.Char (isDigit)
main = interact $ show . sum . (map $ read . liftM2 (:) head ((:[]) . last) . filter isDigit) . lines 
