From c7809ca025b3b81dd6fb695f27bd5d0dfa3174af Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 10 Feb 2021 20:09:00 +0900
Subject: Refactor `mruby-catch`; ref #5328

- Move `#catch` definition to `mruby-catch.c` to avoid tweaking
- Remove `#__preserve_catch_method`
- Implement whole `#throw` method in C
---
 mrbgems/mruby-catch/mrblib/catch.rb | 14 --------------
 1 file changed, 14 deletions(-)

(limited to 'mrbgems/mruby-catch/mrblib')

diff --git a/mrbgems/mruby-catch/mrblib/catch.rb b/mrbgems/mruby-catch/mrblib/catch.rb
index c69cd125e..8e5f59023 100644
--- a/mrbgems/mruby-catch/mrblib/catch.rb
+++ b/mrbgems/mruby-catch/mrblib/catch.rb
@@ -6,17 +6,3 @@ class UncaughtThrowError < ArgumentError
     super("uncaught throw #{tag.inspect}")
   end
 end
-
-module Kernel
-  def catch(tag=Object.new, &block)
-    # A double closure is required to make the nested `catch` distinguishable
-    # and because `break` goes back to `proc->upper`.
-    -> { -> { block.call(tag) }.call }.call
-  end
-  def throw(tag, val=nil)
-    __throw(tag, val)
-    raise UncaughtThrowError.new(tag, val)
-  end
-
-  __preserve_catch_method
-end
-- 
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