Modulinos: Difference between revisions
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(Simplified compilation process) |
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Haskell has scripted main, but getting scripted main to work with compiled scripts is tricky. |
Haskell has scripted main, but getting scripted main to work with compiled scripts is tricky. |
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<lang sh>$ |
<lang sh>$ runhaskell scriptedmain.hs |
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Main: The meaning of life is 42 |
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| ⚫ | |||
$ runhaskell test.hs |
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Test: The meaning of life is 42 |
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$ ./scriptedmain |
$ ./scriptedmain |
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Main: The meaning of life is 42 |
Main: The meaning of life is 42 |
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$ |
$ ghc -fforce-recomp -o test -main-is Test test.hs scriptedmain.hs |
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$ ghc -o test -main-is Test test.hs scriptedmain.hs |
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$ ./test |
$ ./test |
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Test: The meaning of life is 42</lang> |
Test: The meaning of life is 42</lang> |
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scriptedmain. |
scriptedmain.hs |
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<lang haskell>#!/usr/bin/env runhaskell |
<lang haskell>#!/usr/bin/env runhaskell |
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-- Compile: |
-- Compile: |
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-- |
-- |
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-- |
-- ghc -fforce-recomp -o scriptedmain -main-is ScriptedMain scriptedmain.hs |
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-- ghc -o scriptedmain -main-is ScriptedMain scriptedmain.hs |
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module ScriptedMain where |
module ScriptedMain where |
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-- Compile: |
-- Compile: |
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-- |
-- |
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-- |
-- ghc -fforce-recomp -o test -main-is Test test.hs scriptedmain.hs |
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-- ghc -o scriptedmain -main-is ScriptedMain scriptedmain.hs |
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-- rm scriptedmain.o |
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-- ghc -o test -main-is Test test.hs scriptedmain.hs |
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module Test where |
module Test where |
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