Update method doc

Author: Seif Kamal

src/Struct.php

@@ -6,16 +6,16 @@ class Struct
 {
     /** @var string */
     private $name;
-    /** @var callable|Struct[] */
+    /** @var callable[]|Struct[] */
     private $interface;
     /** @var bool */
     private $exhaustive;
 
     /**
      * Struct constructor.
      *
-     * @param string $name
-     * @param callable|Struct[] $interface
+     * @param string $name Used in error messaging, useful when nesting or validating multiple Structs.
+     * @param callable[]|Struct[] $interface A list of expected keys and their associated validator.
      * @param bool $exhaustive Used to specify whether the declared Struct properties are exhaustive,
      * meaning data arrays submitted for validation must not contain unknown keys. This defaults
      * to `true`; Set to `false` if you only want to validate some of the array elements.
@@ -39,7 +39,7 @@ public function name(): string
     }
 
     /**
-     * @return callable|Struct[]
+     * @return callable[]|Struct[]
      */
     public function interface(): array
     {

src/functions.php

@@ -75,9 +75,11 @@ function optional(callable $validator, $default = Missing::class): callable
 /**
  * @see Struct::of()
  *
- * @param string $name
- * @param callable|Struct[] $interface
- * @param bool $exhaustive
+ * @param string $name Used in error messaging, useful when nesting or validating multiple Structs.
+ * @param callable[]|Struct[] $interface A list of expected keys and their associated validator.
+ * @param bool $exhaustive Used to specify whether the declared Struct properties are exhaustive,
+ * meaning data arrays submitted for validation must not contain unknown keys. This defaults
+ * to `true`; Set to `false` if you only want to validate some of the array elements.
  * @return Struct
  */
 function struct(string $name, array $interface, bool $exhaustive = true): Struct