From c0792b1546ceed1c02a02ca1286ead55f79d5798 Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Thu, 3 Mar 2022 10:50:35 +0100
Subject: Implement a suggestions mechanism

Each `Error` class now includes a set of suggestions, and these are printed by
the top-level handler.
---
 src/libutil/error.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/libutil/error.cc')

diff --git a/src/libutil/error.cc b/src/libutil/error.cc
index dcd2f82a5..15ae7a759 100644
--- a/src/libutil/error.cc
+++ b/src/libutil/error.cc
@@ -282,6 +282,13 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
         }
     }
 
+    auto suggestions = einfo.suggestions.trim();
+    if (! suggestions.suggestions.empty()){
+        oss << "Did you mean " <<
+            suggestions.trim().pretty_print() <<
+            "?" << std::endl;
+    }
+
     // traces
     if (showTrace && !einfo.traces.empty()) {
         for (auto iter = einfo.traces.rbegin(); iter != einfo.traces.rend(); ++iter) {
-- 
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