ast-path: vocabulary representation for predicting program properties

This is a package candidate release! Here you can preview how this package release will appear once published to the main package index (which can be accomplished via the 'maintain' link below). Please note that once a package has been published to the main package index it cannot be undone! Please consult the package uploading documentation for more information.

[maintain] [Publish]

Please see the README on GitHub at

[Skip to Readme]


Versions 0.1.2, 0.1.2, 0.2.0
Change log
Dependencies base (>=4.7 && <5) [details]
License BSD-3-Clause
Copyright 2019 Keito Kajitani
Author Keito Kajitani
Category Data, Natural Language Processing
Home page
Bug tracker
Source repo head: git clone
Uploaded by ijaketak at 2019-06-13T07:48:55Z


[Index] [Quick Jump]


Maintainer's Corner

Package maintainers

For package maintainers and hackage trustees

Readme for ast-path-0.1.2

[back to package description]


AST-path is a representation for predicting program properties.

AST-path is described in the paper "A General Path-Based Representation for Predicting Program Properties" (PLDI'2018) and used at and at

{-# LANGUAGE DeriveGeneric #-}
import Data.ASTPath

data Tree a = Leaf a | Node (Tree a) (Tree a)
  deriving (Eq, Show, Generic)

instance AST a => AST (Tree a)
instance AST Int where
  astPathWithHalf = terminalPath show

>>> astPath $ Node (Leaf 0) (Node (Leaf 1) (Leaf 2))