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| author | Julien Dessaux | 2023-03-09 23:14:48 +0100 |
|---|---|---|
| committer | Julien Dessaux | 2023-03-09 23:14:48 +0100 |
| commit | 8bc73de30d4d9e1d2dd7916b95b2dcd4fc5cab89 (patch) | |
| tree | fa6d3817e22049d019f6c047c1befaac94cabc0e /2020/02-Password_Philosophy | |
| parent | Renamed folder (diff) | |
| download | advent-of-code-8bc73de30d4d9e1d2dd7916b95b2dcd4fc5cab89.tar.gz advent-of-code-8bc73de30d4d9e1d2dd7916b95b2dcd4fc5cab89.tar.bz2 advent-of-code-8bc73de30d4d9e1d2dd7916b95b2dcd4fc5cab89.zip | |
Improve parsers of 2020-02
Diffstat (limited to '2020/02-Password_Philosophy')
| -rw-r--r-- | 2020/02-Password_Philosophy/first.hs | 7 | ||||
| -rw-r--r-- | 2020/02-Password_Philosophy/second.hs | 7 |
2 files changed, 4 insertions, 10 deletions
diff --git a/2020/02-Password_Philosophy/first.hs b/2020/02-Password_Philosophy/first.hs index 85c092e..4fd60b5 100644 --- a/2020/02-Password_Philosophy/first.hs +++ b/2020/02-Password_Philosophy/first.hs @@ -25,15 +25,12 @@ parseRule = do void (char ' ') e <- anySingle void (string ": ") - pass <- (many letterChar) + pass <- (some letterChar) void (char '\n') return Rule { lower = read l, higher = read h, elt = e, pass = pass } parseRules :: Parser [Rule] -parseRules = do - rules <- many parseRule - eof - return rules +parseRules = some parseRule <* eof parseInput :: String -> IO [Rule] parseInput filename = do diff --git a/2020/02-Password_Philosophy/second.hs b/2020/02-Password_Philosophy/second.hs index 973a818..35ec555 100644 --- a/2020/02-Password_Philosophy/second.hs +++ b/2020/02-Password_Philosophy/second.hs @@ -25,15 +25,12 @@ parseRule = do void (char ' ') e <- anySingle void (string ": ") - pass <- (many letterChar) + pass <- (some letterChar) void (char '\n') return Rule { lower = (read l) - 1, higher = (read h) - 1, elt = e, pass = pass } parseRules :: Parser [Rule] -parseRules = do - rules <- many parseRule - eof - return rules +parseRules = some parseRule <* eof parseInput :: String -> IO [Rule] parseInput filename = do |