From 868d6c808ba61f26090928f2b8180eb34d9bf023 Mon Sep 17 00:00:00 2001
From: Ricardo Tomasi <ricardobeat@gmail.com>
Date: Sun, 5 Jan 2020 11:53:40 +0100
Subject: [PATCH] compiler: avoid redeclaration of var during reassignment with
 optional value

---
 vlib/compiler/gen_c.v | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/vlib/compiler/gen_c.v b/vlib/compiler/gen_c.v
index dc8532e251..2e2a72d934 100644
--- a/vlib/compiler/gen_c.v
+++ b/vlib/compiler/gen_c.v
@@ -116,7 +116,7 @@ fn (p mut Parser) gen_handle_option_or_else(_typ, name string, fn_call_ph int) s
 		is_mut: false
 		is_used: true
 	})
-	if is_assign && !name.contains('.') {
+	if is_assign && !name.contains('.') && !p.is_var_decl {
 		// don't initialize struct fields
 		p.genln('$typ $name;')
 	}
@@ -717,4 +717,3 @@ fn (p mut Parser) gen_array_push(ph int, typ, expr_type, tmp, elm_type string) {
 		p.gen('), $tmp, $elm_type)')
 	}
 }
-