TypeSafeDiagnosingMatcher.php
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TypeSafeDiagnosingMatcher.php
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	<?php
	namespace Hamcrest;

	/**
	* Convenient base class for Matchers that require a value of a specific type.
	* This simply checks the type and then casts.
	*/

	abstract class TypeSafeDiagnosingMatcher extends TypeSafeMatcher
	{

	final public function matchesSafely($item)
	{
	return $this->matchesSafelyWithDiagnosticDescription($item, new NullDescription());
	}

	final public function describeMismatchSafely($item, Description $mismatchDescription)
	{
	$this->matchesSafelyWithDiagnosticDescription($item, $mismatchDescription);
	}

	// -- Protected Methods

	/**
	* Subclasses should implement these. The item will already have been checked for
	* the specific type.
	*/
	abstract protected function matchesSafelyWithDiagnosticDescription($item, Description $mismatchDescription);
	}