Remove Default from Vec1, add into_vec

src/vec1.rs

@@ -9,7 +9,7 @@ use serde::{Serialize, Deserialize};
 
 /// `Vec1<T>` represents a non-empty `Vec<T>`. It derefs to `Vec<T>`
 /// directly.
-#[derive(Clone, PartialEq, Serialize, Deserialize, Default)]
+#[derive(Clone, PartialEq, Serialize, Deserialize)]
 pub struct Vec1<T>(Vec<T>)
 where
     T: Debug;
@@ -40,6 +40,11 @@ where
             Ok(Self(items))
         }
     }
+
+    /// Converts this Vec1 into Vec
+    pub fn into_vec(self) -> Vec<T> {
+        self.0
+    }
 }
 
 impl<T> fmt::Debug for Vec1<T>