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authorShayan-Najd <sh.najd@gmail.com>2018-11-23 01:38:49 +0100
committerShayan-Najd <sh.najd@gmail.com>2018-11-23 01:38:49 +0100
commit6414b46e1ac8b63cad20d662311788a80e3b29bb (patch)
treebec426cfd5da585a9a9e0bdfd0800f149a792f79 /html-test/src/Nesting.hs
parent0b379984f7898ab0656f71f05fb0163a6a2ddb2c (diff)
[TTG: Handling Source Locations] Foundation and Pat
Trac Issues #15495 This patch removes the ping-pong style from HsPat (only, for now), using the plan laid out at https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow/HandlingSourceLocations (solution A). - the class `HasSrcSpan`, and its functions (e.g., `cL` and `dL`), are introduced - some instances of `HasSrcSpan` are introduced - some constructors `L` are replaced with `cL` - some patterns `L` are replaced with `dL->L` view pattern - some type annotation are necessarily updated (e.g., `Pat p` --> `Pat (GhcPass p)`)
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