1 files changed, 16 insertions, 0 deletions
diff --git a/src/makefile/macro.rs b/src/makefile/macro.rs
index d77557b..25f8627 100644
--- a/src/makefile/macro.rs
+++ b/src/makefile/macro.rs
@@ -3,6 +3,7 @@ use std::collections::HashMap;
 use std::collections::HashSet;
 use std::env;
 use std::fmt;
+use std::fmt::Formatter;
 use std::rc::Rc;
 
 use eyre::{bail, Result, WrapErr};
@@ -370,6 +371,21 @@ impl<'parent, 'lookup> Set<'parent, 'lookup> {
     }
 }
 
+impl fmt::Debug for Set<'_, '_> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        let mut r#struct = f.debug_struct("Set");
+        r#struct.field("parent", &self.parent);
+        r#struct.field("data", &self.data);
+        r#struct.field("lookup_internal", &self.lookup_internal.map(|_| ()));
+        #[cfg(feature = "full")]
+        r#struct.field("to_eval", &self.to_eval);
+        #[cfg(feature = "full")]
+        r#struct.field("exported", &self.exported);
+        r#struct.field("warnings", &self.warnings);
+        r#struct.finish()
+    }
+}
+
 impl fmt::Display for Set<'_, '_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let pieces = self