polish the PGF API and make Expr and Type abstract types. Tree is a type synonym of Expr

This commit is contained in:
krasimir
2009-09-11 13:45:34 +00:00
parent 7a13751a10
commit d294b70395
31 changed files with 205 additions and 159 deletions

View File

@@ -16,7 +16,6 @@ module PGF.Paraphrase (
import PGF.Data
import PGF.Tree
import PGF.Macros (lookDef,isData)
import PGF.Expr
import PGF.CId
import Data.List (nub,sort,group)