Hi, You can use cstringLength# which has a constant-folding rules for literals. That's what we use in GHC to build FastString literals.
Le 24 août 2021 à 06:34, à 06:34, Viktor Dukhovni <ietf-d...@dukhovni.org> a écrit: > >Is there any GHC syntax for constructing a primitive string literal >with a known (not hand coded) byte count? >With `"some bytes"#` I get just the `Addr#` pointer, but not the size. > >If there's nothing available, would it be reasonable to introduce a new >syntax? >Perhaps: > > "some bytes"## :: (# Addr#, Int# #) > >-- > Viktor. > >_______________________________________________ >ghc-devs mailing list >ghc-devs@haskell.org >http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
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