Fix bug in Scope::is_constant.

2022-02-18 19:13:09 +08:00
parent ef87ae48c1
commit 78b5c9fd4e
2 changed files with 6 additions and 3 deletions
--- a/src/types/scope.rs
+++ b/src/types/scope.rs
@@ -375,9 +375,11 @@ impl Scope<'_> {
    /// ```
    #[inline]
    pub fn is_constant(&self, name: &str) -> Option<bool> {
-        self.get_index(name).and_then(|(.., access)| match access {
-            AccessMode::ReadWrite => None,
-            AccessMode::ReadOnly => Some(true),
+        self.get_index(name).and_then(|(.., access)| {
+            Some(match access {
+                AccessMode::ReadWrite => false,
+                AccessMode::ReadOnly => true,
+            })
        })
    }
    /// Update the value of the named entry in the [`Scope`] if it already exists and is not constant.