From 30d84ab39810f837df184eee9632b7cce0d65308 Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sun, 21 May 2023 01:14:42 +0200
Subject: Move error variable GenDecl check to function

Give the check a name.
---
 defererr.go | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/defererr.go b/defererr.go
index 71a9d15..5615463 100644
--- a/defererr.go
+++ b/defererr.go
@@ -185,9 +185,7 @@ func checkErrorAssignedInDefer(
 
 				// TODO: Was error lhs declared in defer closure? Then it
 				// should be ignored.
-				if deferFuncLit.Body.Lbrace < valueSpec.Pos() &&
-					valueSpec.Pos() < deferFuncLit.Body.Rbrace {
-
+				if isVariableDeclaredInsideDeferClosure(deferFuncLit, valueSpec) {
 					continue
 				}
 
@@ -244,3 +242,12 @@ func checkErrorAssignedInDefer(
 		},
 	)
 }
+
+// TODO: doc
+func isVariableDeclaredInsideDeferClosure(
+	deferFuncLit *ast.FuncLit,
+	variableDecl *ast.ValueSpec,
+) bool {
+	return deferFuncLit.Body.Lbrace < variableDecl.Pos() &&
+		variableDecl.Pos() < deferFuncLit.Body.Rbrace
+}
-- 
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