[Haskell-cafe] multiline strings in haskell?

[Donald Bruce Stewart]

Oh, like this (by Stefan Wehr):
    http://www.cse.unsw.edu.au/~dons/code/icfp05/tests/unit-tests/VariableExpansion.hs    

$ ghci -fth VariableExpansion.hs
*VariableExpansion> let x = 7 in $( expand "${x}" )
"7"
*VariableExpansion> let url = "http://www.google.com"
*VariableExpansion> $( expand "Here is my url: ${url}. Do you like it?" )
"Here is my url: \"http://www.google.com\". Do you like it?"

Cheers,
  Don

mvanier:
> Yes, just like that ;-)  Thanks!
> 
> Now if somebody has a string interpolation library, I'd be a pretty 
> happy camper ;-)
> 
> Mike
> 
> 
> >mvanier:
> >>Is there any support for multi-line string literals in Haskell?  I've 
> >>done a web search and come up empty.  I'm thinking of using Haskell to 
> >>generate web pages and having multi-line strings would be very useful.
> >
> >Do you mean like this:
> >
> >    string = "     line one\n\
> >             \   line two is here\n\
> >             \   line three is this line\n"
> >
> >
> >$ echo 'putStr string' | ghci A.hs
> >     line one
> >   line two is here
> >   line three is this line
> >
> >-- Don
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