2 files changed, 12 insertions, 0 deletions
diff --git a/dhall_core/src/dhall_type.rs b/dhall_core/src/dhall_type.rs
new file mode 100644
index 0000000..3635e67
--- /dev/null
+++ b/dhall_core/src/dhall_type.rs
@@ -0,0 +1,10 @@
+use crate::*;
+
+#[derive(Debug, Clone)]
+pub enum DhallConversionError {}
+
+pub trait DhallType: Sized {
+    fn dhall_type() -> DhallExpr;
+    // fn as_dhall(&self) -> DhallExpr;
+    // fn from_dhall(e: DhallExpr) -> Result<Self, DhallConversionError>;
+}
diff --git a/dhall_core/src/lib.rs b/dhall_core/src/lib.rs
index 0874b09..b15c644 100644
--- a/dhall_core/src/lib.rs
+++ b/dhall_core/src/lib.rs
@@ -18,4 +18,6 @@ mod printer;
 pub use crate::printer::*;
 mod parser;
 pub use crate::parser::*;
+mod dhall_type;
+pub use dhall_type::*;
 pub mod context;