From 22ea67733dd01466750bb9e6e4401e3e4385bdc3 Mon Sep 17 00:00:00 2001
From: Dale Wijnand <dale.wijnand@gmail.com>
Date: Sun, 25 Aug 2024 16:24:39 +0100
Subject: [PATCH] Implement Show[Seq[Nothing]]

Somehow I hit this requirement, and it picked two other instances and
calling them ambiguous, because it was looking for a Show[Nothing].
---
 compiler/src/dotty/tools/dotc/printing/Formatting.scala | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/src/dotty/tools/dotc/printing/Formatting.scala b/compiler/src/dotty/tools/dotc/printing/Formatting.scala
index 43cac17e6318..a36e6f48533a 100644
--- a/compiler/src/dotty/tools/dotc/printing/Formatting.scala
+++ b/compiler/src/dotty/tools/dotc/printing/Formatting.scala
@@ -76,6 +76,9 @@ object Formatting {
       given [X: Show]: Show[Seq[X]] with
         def show(x: Seq[X]) = CtxShow(x.map(toStr))
 
+      given Show[Seq[Nothing]] with
+        def show(x: Seq[Nothing]) = CtxShow(x)
+
       given [K: Show, V: Show]: Show[Map[K, V]] with
         def show(x: Map[K, V]) =
           CtxShow(x.map((k, v) => s"${toStr(k)} => ${toStr(v)}"))