aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

new files

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 12:38:42 -07:00
parent 3af7344581
commit 86c034bb8b
1364 changed files with 21352 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Task/Determine-if-a-string-is-numeric/Haskell/determine-if-a-string-is-numeric-1.hs Normal file
View file

@ -0,0 +1,10 @@
isInteger s = case reads s :: [(Integer, String)] of
[(_, "")] -> True
_ -> False
isDouble s = case reads s :: [(Double, String)] of
[(_, "")] -> True
_ -> False
isNumeric :: String -> Bool
isNumeric s = isInteger s || isDouble s

4
Task/Determine-if-a-string-is-numeric/Haskell/determine-if-a-string-is-numeric-2.hs Normal file
View file

@ -0,0 +1,4 @@
areDigits = all isDigit
isDigit selects ASCII digits i.e. '0'..'9'
isOctDigit selects '0'..'7'
isHexDigit selects '0'..'9','A'..'F','a'..'f'