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-rw-r--r--src/type/check.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/type/check.rs b/src/type/check.rs
index d678411..81a43a4 100644
--- a/src/type/check.rs
+++ b/src/type/check.rs
@@ -64,7 +64,7 @@ impl SExp {
/// assert_eq!(Atom(And).type_check(), Ok(arr(List(vec![Boolean, Boolean]), Boolean)));
/// assert_eq!(Atom(Or) .type_check(), Ok(arr(List(vec![Boolean, Boolean]), Boolean)));
/// assert_eq!(Atom(Xor).type_check(), Ok(arr(List(vec![Boolean, Boolean]), Boolean)));
- /// assert_eq!(Atom(Not).type_check(), Ok(arr(Boolean, Boolean)));
+ /// assert_eq!(Atom(Not).type_check(), Ok(arr(List(vec![Boolean]), Boolean)));
/// ```
///
/// Though perhaps the most important task of the type system
@@ -147,7 +147,7 @@ impl SExp {
Atom(Eq | Neq | Lt | Gt | Le | Ge) =>
Ok(arr(List(vec![Integer, Integer]), Boolean)),
Atom(Or | And | Xor) => Ok(arr(List(vec![Boolean, Boolean]), Boolean)),
- Atom(Not) => Ok(arr(Boolean, Boolean)),
+ Atom(Not) => Ok(arr(List(vec!(Boolean)), Boolean)),
Atom(Nil) => Ok(List(vec![])),
Atom(Quote) => Ok(arr(
VarType("T".to_string()),