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author | Nadrieril | 2019-04-15 12:22:02 +0200 |
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committer | Nadrieril | 2019-04-15 12:22:02 +0200 |
commit | 63aa21c581933a10b2b1ab96c632c72834cf2115 (patch) | |
tree | 9e534d7a4107fae5aae33637a5ea7c8a2f58c873 /dhall_core/src/core.rs | |
parent | 75420d0822652d6592b74199ea35281dbdf84efb (diff) |
Handle empty optionals correctly
Closes #78
Diffstat (limited to 'dhall_core/src/core.rs')
-rw-r--r-- | dhall_core/src/core.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/dhall_core/src/core.rs b/dhall_core/src/core.rs index 7859c73..c0e04ed 100644 --- a/dhall_core/src/core.rs +++ b/dhall_core/src/core.rs @@ -174,6 +174,10 @@ pub enum ExprF<SubExpr, Label, Note, Embed> { EmptyListLit(SubExpr), /// [x, y, z] NEListLit(Vec<SubExpr>), + /// Deprecated Optional literal form + /// [] : Optional a + /// [x] : Optional a + OldOptionalLit(Option<SubExpr>, SubExpr), /// None t EmptyOptionalLit(SubExpr), /// Some e |