Yasi

Yet another string interpolator

• Dead simple
• No dependency on haskell-src-meta. It is not actively developed, has long compile times and several bugs, some of which are by design (e.g. operator fixities).
• Supports to interpolate String, Text, Text, ByteString and ByteString (UTF8).

Documentation

i :: QuasiQuoter

The interpolator, intended to be used with QuasiQuotes.

>>> :set -XQuasiQuotes

>>> (foo, bar) = ("yet another ", "interpolator")
>>> [i|${foo}string $bar|] :: String
"yet another string interpolator"

You can also use ${} to create a function interpolator (this "abstraction" feature is inspired by interpolate):

>>> [i|more ${}${} code|] "point" "free" :: Text
"more pointfree code"

To use show to interpolate a value:

>>> let x = 1 + 1 in [i|1 + 1 = ${show x}|] :: ByteString
"1 + 1 = 2"