[GHC] #13743: Colourise command output

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:i Int data <span style="color: red;font-weight: bold">Int</span> = I# E.Int# -- Defined in ‘GHC.Types’</br> instance <span style="font-weight: bold">Eq</span> <span style="color: red ;font-weight: bold">Int</span> -- Defined in ‘GHC.Classes’ instance <span style="font-weight: bold">Ord</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Classes’ instance <span style="font-weight: bold">Show</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Show’ instance <span style="font-weight: bold">Read</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Read’ instance <span style="font-weight: bold">Enum</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Enum’ instance <span style="font-weight: bold">Num</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Num’ instance <span style="font-weight: bold">Real</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Real’ instance [safe] <span style="font-weight: bold">NFData</span>

#13743: Colourise command output -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: (none) Type: feature | Status: new request | Priority: normal | Milestone: Component: GHCi | Version: 8.0.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Our error messages are now colourful (#10073), can we do the same for the output of commands like `:info`? `:info` has gotten bloated (I also think the context / instance head should be swapped, but that's another story), adding colour would make it easier to read {{{#!html <pre> style="color: red;font-weight: bold">Int</span> -- Defined in ‘Control.DeepSeq’ instance <span style="font-weight: bold">Data</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘Data.Data’ instance <span style="font-weight: bold">Bounded</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Enum’ instance <span style="font-weight: bold">O.Outputable</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘Outputable’ instance [safe] <span style="font-weight: bold">PrintfArg</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘Text.Printf’ instance <span style="font-weight: bold">Integral</span> <span style="color: red;font-weight: bold">Int</span> -- Defined in ‘GHC.Real’ </pre> }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13743 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler