1 files changed, 4 insertions, 0 deletions
diff --git a/src/config.rs b/src/config.rs
index 0377438..a65b93e 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -57,6 +57,10 @@ impl Default for Config {
 }
 
 impl Config {
+    pub fn freeze(&mut self) {
+        self.kind = ConfigKind::Frozen
+    }
+
     /// Merge in a configuration property source.
     pub fn merge<T>(&mut self, source: T) -> Result<&mut Config>
     where