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Define Path as an ordinary datatype.

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Co-Authored-By: Rick Winfrey <rick.winfrey@gmail.com>
This commit is contained in:
Rob Rix 2018-12-06 13:08:56 -05:00
parent 79e235ce34
commit dcd751f4b9
1 changed files with 4 additions and 4 deletions
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8
src/Data/Abstract/ScopeGraph.hs
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@ -66,12 +66,12 @@ newtype ScopeGraph scope = ScopeGraph { unScopeGraph :: Map scope (Scope scope)
instance Ord scope => Lower (ScopeGraph scope) where
lowerBound = ScopeGraph mempty
data Path scope where
data Path scope
= Hole
-- | Construct a direct path to a declaration.
Hole :: Path scope
DPath :: Declaration -> Position -> Path scope
| DPath Declaration Position
-- | Construct an edge from a scope to another declaration path.
EPath :: EdgeLabel -> scope -> Path scope -> Path scope
| EPath EdgeLabel scope (Path scope)
instance AbstractHole (Path scope) where
hole = Hole