Adds functions to pad and to reverse lists

Author: pitchart

src/arrays.php

@@ -20,6 +20,8 @@
 const map = '\Pitchart\Phunktional\map';
 const reject = '\Pitchart\Phunktional\reject';
 const sort = '\Pitchart\Phunktional\sort';
+const reverse = '\Pitchart\Phunktional\reverse';
+const pad = '\Pitchart\Phunktional\pad';
 
 /**
  * Runs a boolean function on each element and only puts those that pass into the output.
@@ -338,3 +340,34 @@ function partition(int $size)
         return \array_chunk($array, $size);
     };
 }
+
+/**
+ * Reverses a list
+ *
+ * @return \Closure
+ *
+ * @see \array_reverse()
+ */
+function reverse()
+{
+    return function (array $array) {
+        return \array_reverse($array);
+    };
+}
+
+/**
+ * Pad array to the specified length with a value
+ *
+ * @param int $size
+ * @param $value
+ *
+ * @return \Closure
+ *
+ * @see \array_pad()
+ */
+function pad(int $size, $value)
+{
+    return function (array $array) use ($size, $value) {
+        return \array_pad($array, $size, $value);
+    };
+}

tests/ArrayTest.php

@@ -220,5 +220,9 @@ public function arrayFunctionsBuildersProvider()
         yield from ['reject constant' => [(p\filter)($filtering)]];
         yield from ['sort' => [p\sort(function (int $a, int $b) { return $a > $b ? 1 : ($b > $a ? -1 : 0); })]];
         yield from ['sort constant' => [(p\sort)(function (int $a, int $b) { return $a > $b ? 1 : ($b > $a ? -1 : 0); })]];
+        yield from ['reverse' => [p\reverse()]];
+        yield from ['reverse constant' => [(p\reverse)()]];
+        yield from ['pad' => [p\pad(10, 0)]];
+        yield from ['pad constant' => [(p\pad)(10, 0)]];
     }
 }