What is haskell equivalent of
string str = string.Format("{0} {1}",10,20); // C#
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114answers:
2
+10
A:
There is a Printf module in GHC.
import Text.Printf
str :: String
str = printf "%d %d" 10 20
however it is probably simpler to just do
str = show 10 ++ " " ++ show 20
newacct
2010-03-18 08:31:35
Its not working I got `ERROR filename.hs:3:Cannot justify constraints in explicitly typed binding`. I am using WinHugs.
TheMachineCharmer
2010-03-18 09:59:46
You should switch to GHC. Hugs is unmaintained, slow, and supports very few of the packages on Hackage. It isn't part of the Haskell Platform specification either.
Don Stewart
2010-03-18 17:26:05