From 8c2245ff0b9f9a2b30d9f1b3956a551695dd0e11 Mon Sep 17 00:00:00 2001
From: Nick Alexander <nalexander@mozilla.com>
Date: Wed, 6 Jun 2018 16:49:15 -0700
Subject: [PATCH] Pre: Add top-level NotYetImplemented error.

---
 public-traits/errors.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/public-traits/errors.rs b/public-traits/errors.rs
index 2013ed71..561a8d2c 100644
--- a/public-traits/errors.rs
+++ b/public-traits/errors.rs
@@ -88,6 +88,11 @@ pub enum MentatError {
     #[fail(display = "{}", _0)]
     IoError(#[cause] std::io::Error),
 
+    /// We're just not done yet.  Message that the feature is recognized but not yet
+    /// implemented.
+    #[fail(display = "not yet implemented: {}", _0)]
+    NotYetImplemented(String),
+
     // It would be better to capture the underlying `rusqlite::Error`, but that type doesn't
     // implement many useful traits, including `Clone`, `Eq`, and `PartialEq`.
     #[fail(display = "SQL error: {}", _0)]