1 files changed, 10 insertions, 2 deletions
diff --git a/src/model/module.rs b/src/model/module.rs
index c7cb7faf..ba6c76fb 100644
--- a/src/model/module.rs
+++ b/src/model/module.rs
@@ -2,8 +2,9 @@ use std::fmt::{self, Debug, Formatter};
 use std::path::Path;
 use std::sync::Arc;
 
-use super::{Content, Scope};
-use crate::util::EcoString;
+use super::{Content, Scope, Value};
+use crate::diag::StrResult;
+use crate::util::{format_eco, EcoString};
 
 /// An evaluated module, ready for importing or typesetting.
 #[derive(Clone, Hash)]
@@ -46,6 +47,13 @@ impl Module {
         &self.0.scope
     }
 
+    /// Try to access a definition in the module.
+    pub fn get(&self, name: &str) -> StrResult<&Value> {
+        self.scope().get(&name).ok_or_else(|| {
+            format_eco!("module `{}` does not contain `{name}`", self.name())
+        })
+    }
+
     /// Extract the module's content.
     pub fn content(self) -> Content {
         match Arc::try_unwrap(self.0) {