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From 8e6f5934541833f15664398f90331f3724e40933 Mon Sep 17 00:00:00 2001
From: Mamoru TASAKA <mtasaka@fedoraproject.org>
Date: Tue, 15 Nov 2022 23:22:20 +0900
Subject: [PATCH] ruby3_2 fix: check if object responds to regex_match op
Object#=~ is already deprecated since ruby2.6 and will be
removed from ruby3.2. As the result, Array no longer
respond to =~ from ruby3.2, for example.
Check if the target object really respond to =~ .
Closes #168
---
lib/chunky_png/vector.rb | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/chunky_png/vector.rb b/lib/chunky_png/vector.rb
index 4ef965f..034104c 100644
--- a/lib/chunky_png/vector.rb
+++ b/lib/chunky_png/vector.rb
@@ -166,7 +166,7 @@ def dimension
# @return [Array<ChunkyPNG::Point>] The list of points interpreted from the input array.
def self.multiple_from_array(source)
return [] if source.empty?
- if source.first.is_a?(Numeric) || source.first =~ /^\d+$/
+ if source.first.is_a?(Numeric) || ( source.first.respond_to?(:=~) && source.first =~ /^\d+$/ )
raise ArgumentError, "The points array is expected to have an even number of items!" if source.length % 2 != 0
points = []
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