From 6cdea31bc29e2bdbb2574ee0678e71cb42c4761b Mon Sep 17 00:00:00 2001
From: Romain Canon <romain.hydrocanon@gmail.com>
Date: Mon, 29 Nov 2021 11:18:06 +0100
Subject: [PATCH] fix: filter type symbols with strict string comparison

Previously, `array_filter` would remove the integer value `0` from the
array.

See #1
---
 src/Type/Parser/LexingParser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Type/Parser/LexingParser.php b/src/Type/Parser/LexingParser.php
index ad0d66a9..6b35452f 100644
--- a/src/Type/Parser/LexingParser.php
+++ b/src/Type/Parser/LexingParser.php
@@ -27,7 +27,7 @@ public function parse(string $raw): Type
     {
         $symbols = $this->splitTokens($raw);
         $symbols = array_map('trim', $symbols);
-        $symbols = array_filter($symbols);
+        $symbols = array_filter($symbols, static fn ($value) => $value !== '');
 
         $tokens = array_map(
             fn (string $symbol) => $this->lexer->tokenize($symbol),