Make the 'extract' functions to find free type variables
authorSimon Peyton Jones <simonpj@microsoft.com>
Mon, 26 Mar 2012 08:00:58 +0000 (09:00 +0100)
committerSimon Peyton Jones <simonpj@microsoft.com>
Mon, 26 Mar 2012 08:00:58 +0000 (09:00 +0100)
commita44c3d90249e381b57a5220f80ad4bee316ff48b
tree2cb16a9218d627762d989e9ed67ba154fc79439b
parente5beffb7c34aa2cb0df2f3b04fd18f664eccdcc7
Make the 'extract' functions to find free type variables
of an HsType return RdrNames rather than (Located RdrNames).

This means less clutter, and the individual locations are
a bit arbitrary if a name occurs more than once.
compiler/hsSyn/HsUtils.lhs
compiler/parser/RdrHsSyn.lhs
compiler/rename/RnSource.lhs
compiler/rename/RnTypes.lhs