qm-interpolated-string: Implementation of interpolated multiline strings

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Implementation of interpolated multiline strings that ignores indentation and trailing whitespaces


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Versions 0.1.0.0, 0.1.1.0, 0.1.1.0, 0.2.0.0, 0.2.1.0, 0.3.0.0, 0.3.1.0
Change log CHANGELOG.md
Dependencies base (>=4 && <5), bytestring (>=0.10 && <0.11), haskell-src-meta (>=0.3 && <0.8), template-haskell (>=2.5 && <3), text (>=1 && <2) [details]
License LicenseRef-PublicDomain
Copyright Viacheslav Lotsmanov
Author Viacheslav Lotsmanov
Maintainer Viacheslav Lotsmanov <lotsmanov89@gmail.com>
Category Data
Home page https://github.com/unclechu/haskell-qm-interpolated-string
Source repo head: git clone git://github.com/unclechu/haskell-qm-interpolated-string.git
Uploaded by unclechu at 2017-07-13T19:16:07Z

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Readme for qm-interpolated-string-0.1.1.0

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[qm|interpolated-string|]

Hackage Build Status

Implementation of interpolated multiline string QuasiQuoter that ignores indentation and trailing whitespaces.

Actually it's modification of interpolatedstring-perl6 package. I used it to implemenent my own strings I really like.

This implementation looks just like qc from interpolatedstring-perl6 package but ignores any indentation, line breaks (except explicitly written using \n char) and trailing whitespaces.

'm' in 'qm' means 'multiline'.

You could write a decoratively formatted string and your decorative indentation and line breaks wont go to the string, but when you really need it, you could just escape it using backslash.

Simple usage example

{-# LANGUAGE QuasiQuotes #-}

import Text.InterpolatedString.QM (qm)

main :: IO ()
main = putStrLn [qm| hello
                   \ world |]

More examples

[qm|   hello world,
     \ what's going on here?  |]
-- Result: "hello world, what's going on here?"
[qm|
      it's actual
      ly ignored
   |]
-- Result: "it's actually ignored"
[qm|  \  You could explicitly escape indentation or\n
         line-breaks when you really need it!  \
   |]
-- Result: "  You could explicitly escape indentation or\nline-breaks when you really need it!  "
[qm| {1+2} \{3+4} |]
-- Result: "3 {3+4}"

There is also very similar to qm QuasiQuoter named as qn that do the same except interpolation:

[qn| foo {1+2} |]
-- Result: "foo {1+2}"

Author

Viacheslav Lotsmanov

License

The Unlicense