fix: acc to tests

Author: adhocore

src/Underscore.php

@@ -77,16 +77,15 @@ public function inject(callable $fn, $memo)
 
     public function reduceRight(callable $fn, $memo)
     {
-        // fix!
-        return array_reduce($this->data, $fn, $memo);
+        return array_reduce(array_reverse($this->data), $fn, $memo);
     }
 
     public function foldr(callable $fn, $memo)
     {
         return $this->reduceRight($fn, $memo);
     }
 
-    public function find(callabe $fn)
+    public function find(callable $fn)
     {
         foreach ($this->data as $index => $value) {
             if ($fn($value, $index)) {
@@ -95,20 +94,14 @@ public function find(callabe $fn)
         }
     }
 
-    public function detect(callabe $fn)
+    public function detect(callable $fn)
     {
         return $this->find($fn);
     }
 
     public function filter(callable $fn)
     {
-        $data = [];
-
-        foreach ($this->data as $index => $value) {
-            if ($fn($value, $index)) {
-                $data[$index] = $value;
-            }
-        }
+        $data = array_filter($this->data, $fn, \ARRAY_FILTER_USE_BOTH);
 
         return new static($data);
     }
@@ -120,17 +113,18 @@ public function select(callable $fn)
 
     public function reject(callable $fn)
     {
-        $data = [];
-
-        foreach ($this->data as $index => $value) {
-            if (!$fn($value, $index)) {
-                $data[$index] = $value;
-            }
-        }
+        $data = array_filter($this->data, $this->negate($fn), \ARRAY_FILTER_USE_BOTH);
 
         return new static($data);
     }
 
+    protected function negate(callable $fn)
+    {
+        return function () use ($fn) {
+            return !call_user_func_array($fn, func_get_args());
+        };
+    }
+
     public function every(callable $fn)
     {
         foreach ($this->data as $index => $value) {
@@ -199,7 +193,7 @@ protected function matcher(array $props)
     {
         return function ($value, $index) use ($props) {
             foreach ($props as $prop => $criteria) {
-                if ($value !== $criteria || $prop != $index) {
+                if (\array_column([$value], $prop) != [$criteria]) {
                     return false;
                 }
             }