Extract attr_rw from Formula for reuse

Closes Homebrew/homebrew#20239.

1 files changed, 2 insertions, 9 deletions

diff --git a/Library/Homebrew/compilers.rb b/Library/Homebrew/compilers.rb
index 43d8ea900..80826237a 100644
--- a/Library/Homebrew/compilers.rb
+++ b/Library/Homebrew/compilers.rb
@@ -6,19 +6,12 @@ end
 
 class CompilerFailure
   attr_reader :compiler
+  attr_rw :build, :cause
 
   def initialize compiler, &block
     @compiler = compiler
     instance_eval(&block) if block_given?
-    @build ||= 9999
-  end
-
-  def build val=nil
-    val.nil? ? @build.to_i : @build = val.to_i
-  end
-
-  def cause val=nil
-    val.nil? ? @cause : @cause = val
+    @build = (@build || 9999).to_i
   end
 end