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Fix typo in what_makes_fast_hs.rst #120

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Fix typo in what_makes_fast_hs.rst #120

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Fix typo in what_makes_fast_hs.rst
ulysses4ever Mar 15, 2025
f3cf031
Comma
ulysses4ever Mar 15, 2025
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4 changes: 2 additions & 2 deletions src/Preliminaries/what_makes_fast_hs.rst
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Expand Up @@ -222,8 +222,8 @@ of a ``Counter`` data type that tracks some domain specific integer:
Normally, when compiling with ``-O2`` GHC will recognize and optimize this definition.

``Int`` is a :term:`Boxed` and :term:`Lifted` type in ``Counter``, this means
that each ``Counter`` holds a pointer to an ``Int`` on the heap *not* a pointer
to an ``Int`` directly. We can instruct GHC remove the heap indirection with the
that each ``Counter`` holds a pointer to an ``Int`` on the heap, *not*
an ``Int`` directly. We can instruct GHC remove the heap indirection with the
`unpack
<https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/exts/pragmas.html?highlight=unpack#unpack-pragma>`_
pragma and a bang pattern:
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