From e2b341a94a6d12e72b1e5fe557c7163fc59dc853 Mon Sep 17 00:00:00 2001
From: nick evans <nick@rubinick.dev>
Date: Fri, 21 Jun 2024 20:39:37 -0400
Subject: [PATCH] =?UTF-8?q?=E2=9C=85=20Fix=20ruby=202.7=20compatibility?=
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ruby 2.7 didn't have:
* Hash#except.
* pattern matching statements: "foo => a | b | c"
---
 lib/net/imap/config.rb       | 6 ++++--
 test/net/imap/test_config.rb | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/net/imap/config.rb b/lib/net/imap/config.rb
index 33e81c89..87898e6f 100644
--- a/lib/net/imap/config.rb
+++ b/lib/net/imap/config.rb
@@ -281,7 +281,9 @@ def with(**attrs)
       def load_defaults(version)
         [Numeric, Symbol, String].any? { _1 === version } or
           raise ArgumentError, "expected number or symbol, got %p" % [version]
-        update(**Config[version].to_h.except(*DEFAULT_TO_INHERIT))
+        config = Config[version]
+        defaults = config.to_h.reject {|k,v| DEFAULT_TO_INHERIT.include?(k) }
+        update(**defaults)
       end
 
       # :call-seq: to_h -> hash
@@ -300,7 +302,7 @@ def to_h; data.members.to_h { [_1, send(_1)] } end
       @global = default.new
 
       version_defaults[0.4] = Config[
-        default.to_h.except(*DEFAULT_TO_INHERIT)
+        default.to_h.reject {|k,v| DEFAULT_TO_INHERIT.include?(k) }
       ]
 
       version_defaults[0] = Config[0.4].dup.update(
diff --git a/test/net/imap/test_config.rb b/test/net/imap/test_config.rb
index df88f56d..403270f8 100644
--- a/test/net/imap/test_config.rb
+++ b/test/net/imap/test_config.rb
@@ -137,7 +137,7 @@ class ConfigTest < Test::Unit::TestCase
 
   test ".version_defaults are all frozen, and inherit debug from global" do
     Config.version_defaults.each do |name, config|
-      name => 0 | Float | Symbol
+      assert [0, Float, Symbol].any? { _1 === name }
       assert_kind_of Config, config
       assert config.frozen?,            "#{name} isn't frozen"
       assert config.inherited?(:debug), "#{name} doesn't inherit debug"