When I was working through the ppr to use HsParTy everywhere it was not clear whether there were any usages that required maybeParen, so I left it in.
I can try to strip then all out and see what happens. Alan On 26 May 2017 at 10:54, Simon Peyton Jones <simo...@microsoft.com> wrote: > Alan > > Do you know why HsTypes.ppr_mono_ty contains any uses of ‘maybeParen’? > Shouldn’t the parens all be put in by HsParTy? > > I tripped over this when I mistakenly added what I thought were missing > maybeParen calls for HsAppTy and HsAppTys, but that was flagged as an error > by a test in tests/printer. > > So why are there /any/ maybeParen calls? > > Simon >
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