From 445ec824551a7242b0f85ea564469b992ad737f5 Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Sat, 14 Jan 2023 19:45:18 +0500
Subject: [PATCH] #79 match

---
 src/find.rs | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/find.rs b/src/find.rs
index a04f6de..c3a9de5 100644
--- a/src/find.rs
+++ b/src/find.rs
@@ -169,18 +169,19 @@ impl Sodg {
                 continue;
             };
             trace!("#find(ν{v1}, {loc}): {indent}calling relay(ν{v}, {k})...");
-            let redirect = relay.re(v, &k);
-            let fault = if let Ok(re) = redirect {
-                if let Ok(to) = self.find_with_indent(v, re.as_str(), relay, depth + 1) {
-                    trace!("#find(ν{v1}, {loc}): {indent}ν{v}.{k} relayed to ν{to} (re: {re})");
-                    v = to;
-                    continue;
+            let fault = match relay.re(v, &k) {
+                Ok(re) => {
+                    if let Ok(to) = self.find_with_indent(v, re.as_str(), relay, depth + 1) {
+                        trace!("#find(ν{v1}, {loc}): {indent}ν{v}.{k} relayed to ν{to} (re: {re})");
+                        v = to;
+                        continue;
+                    }
+                    format!("re to '{re}' didn't help")
+                }
+                Err(err) => {
+                    trace!("#find(ν{v1}, {loc}): !{}", err);
+                    format!("error: {}", err)
                 }
-                format!("re to '{re}' didn't help")
-            } else {
-                let msg = redirect.err().unwrap();
-                trace!("#find(ν{v1}, {loc}): !{}", msg);
-                format!("error: {}", msg)
             };
             let others: Vec<String> = self
                 .vertices