nameOccName, isExternalName, nameSrcLoc )
import Maybes ( mapCatMaybes )
import SrcLoc ( isGoodSrcLoc, isGoodSrcSpan, srcLocSpan, SrcSpan )
nameOccName, isExternalName, nameSrcLoc )
import Maybes ( mapCatMaybes )
import SrcLoc ( isGoodSrcLoc, isGoodSrcSpan, srcLocSpan, SrcSpan )