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-rw-r--r--src/Utils/String.hs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/Utils/String.hs b/src/Utils/String.hs
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+++ b/src/Utils/String.hs
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+module Utils.String
+ ( capitalizeWords
+ , capitalizeFirstWord
+ , capitalizeWord
+ ) where
+
+import Data.Char
+
+capitalizeWords :: String -> String
+capitalizeWords = unwords . map capitalizeWord . words
+
+capitalizeFirstWord :: String -> String
+capitalizeFirstWord = unwords . mapFirst capitalizeWord . words
+
+capitalizeWord :: String -> String
+capitalizeWord [] = []
+capitalizeWord (x:xs) = toUpper x : map toLower xs
+
+mapFirst :: (a -> a) -> [a] -> [a]
+mapFirst _ [] = []
+mapFirst f (x:xs) = f x : xs