Added accesses to the primitive value of the TaxIdNumber

Author: benatespina

CHANGELOG.md

@@ -5,6 +5,8 @@ This changelog references the relevant changes done between versions.
 To get the diff for a specific change, go to https://github.com/LIN3S/SharedKernel/commit/XXX where XXX is the change hash 
 To get the diff between two versions, go to https://github.com/LIN3S/SharedKernel/compare/v0.6.0...v0.7.0
 
+* 0.7.1
+    * Added accesses to the primitive value of the TaxIdNumber.
 * 0.7.0
     * Added TaxIdNumber value object.
 * 0.6.0

src/LIN3S/SharedKernel/Domain/Model/TaxIdNumber/TaxIdNumber.php

@@ -62,4 +62,19 @@ public static function fromSpanishDni(string $dni) : self
 
         return new self($dni);
     }
+
+    public function number() : string
+    {
+        return $this->tin;
+    }
+
+    public function equals(TaxIdNumber $tin) : bool
+    {
+        return $this->tin === $tin->number();
+    }
+
+    public function __toString() : string
+    {
+        return (string) $this->tin;
+    }
 }