= [(n,loc) | n <- names]
tyClDeclSysNames (TyData {tcdCons = cons, tcdSysNames = names, tcdLoc = loc})
= [(n,loc) | n <- names] ++
= [(n,loc) | n <- names]
tyClDeclSysNames (TyData {tcdCons = cons, tcdSysNames = names, tcdLoc = loc})
= [(n,loc) | n <- names] ++