From 0ddc5a59510aa19afb53576a441e3bde501a5918 Mon Sep 17 00:00:00 2001
From: kakiuchi-shigenao <kakiuchi-shigenao@wiznet.co.jp>
Date: Fri, 11 Jul 2025 00:25:21 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=BC=95=E6=95=B0=E3=81=AE=E5=9E=8B?=
 =?UTF-8?q?=E3=82=92=E4=BF=AE=E6=AD=A3=E3=81=97=E3=80=81=E3=82=A8=E3=83=A9?=
 =?UTF-8?q?=E3=83=BC=E3=83=8F=E3=83=B3=E3=83=89=E3=83=AA=E3=83=B3=E3=82=B0?=
 =?UTF-8?q?=E3=82=92=E5=BC=B7=E5=8C=96=20Fixes=20#38?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Collection/ArrayList.php | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/Collection/ArrayList.php b/src/Collection/ArrayList.php
index add476e..499b163 100644
--- a/src/Collection/ArrayList.php
+++ b/src/Collection/ArrayList.php
@@ -7,6 +7,7 @@
 use ArrayAccess;
 use Closure;
 use Generator;
+use LogicException;
 use Override;
 use WizDevelop\PhpMonad\Option;
 use WizDevelop\PhpMonad\Result;
@@ -109,7 +110,7 @@ final public static function tryFrom(iterable $elements): Result
      *
      * @template TTryFromValue of TValue
      *
-     * @param  iterable<int,(Result<TTryFromValue,IErrorValue>|Result)> $results
+     * @param  iterable<int,(Result<TTryFromValue,IErrorValue>|Result<TTryFromValue,IErrorValue[]>|Result)> $results
      * @return Result<static<TTryFromValue>,ValueObjectError>
      */
     /**
@@ -122,9 +123,30 @@ final public static function tryFromResults(iterable $results): Result
 
         $elementsResult = Result\combineWithErrorValue(...$elements);
         if ($elementsResult->isErr()) {
+            $flattenErrs = [];
+            foreach ($elementsResult->unwrapErr() as $err) {
+                if ($err instanceof IErrorValue) { // @phpstan-ignore-line
+                    $flattenErrs[] = $err;
+                } elseif (is_array($err)) {
+                    foreach ($err as $e) {
+                        if ($e instanceof IErrorValue) { // @phpstan-ignore-line
+                            $flattenErrs[] = $e;
+                        } else {
+                            throw new LogicException(
+                                'Invalid error value type in array. Expected IErrorValue.',
+                            );
+                        }
+                    }
+                } else {
+                    throw new LogicException(
+                        'Invalid error value type. Expected IErrorValue or array of IErrorValue.',
+                    );
+                }
+            }
+
             return Result\err(ValueObjectError::collection()->invalidElementValues(
                 static::class,
-                ...$elementsResult->unwrapErr()
+                ...$flattenErrs,
             ));
         }