<div dir="ltr">You may also like this Wiki page about state tokens[1] (note: I'm the author).<br><br>[1] <a href="https://wiki.haskell.org/Evaluation_order_and_state_tokens">https://wiki.haskell.org/Evaluation_order_and_state_tokens</a><br></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jul 13, 2015 at 5:25 PM Tikhon Jelvis <<a href="mailto:tikhon@jelv.is">tikhon@jelv.is</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">That's special syntax to make an unboxed tuple. See the manual section on unboxed types[1].<br><br>[1]: <a href="https://downloads.haskell.org/~ghc/7.6.3/docs/html/users_guide/primitives.html" target="_blank">https://downloads.haskell.org/~ghc/7.6.3/docs/html/users_guide/primitives.html</a><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jul 13, 2015 at 5:23 PM, Jeffrey Brown <span dir="ltr"><<a href="mailto:jeffbrown.the@gmail.com" target="_blank">jeffbrown.the@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>That appears here: <a href="http://hackage.haskell.org/package/base-4.8.0.0/docs/src/GHC-Base.html#line-1057" target="_blank">http://hackage.haskell.org/package/base-4.8.0.0/docs/src/GHC-Base.html#line-1057</a><br></div></div>
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