This would essentially amount to making `ByteArray#` a sum internally. You would simply add a closure type which would carry a pointer to the
#5218: Add unpackCStringLen# to create Strings from string literals -------------------------------------+------------------------------------- Reporter: tibbe | Owner: thoughtpolice Type: feature request | Status: patch Priority: normal | Milestone: Component: Compiler | Version: 7.0.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #5877 #10064 | Differential Rev(s): Phab:D2443 Wiki Page: | -------------------------------------+------------------------------------- Comment (by winter): payload instead of the VLA carried by `StgArrBytes` currently. I'm not an expert on this, so maybe this sounds ridiculous: If we add a new closure type for `ByteArray#`, could it be used in runtime also? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5218#comment:65 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler