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<?php
/**
 * @private
 */
class Less_Tree_DefaultFunc {

	static $error_;
	static $value_;

	public static function compile() {
		if ( self::$error_ ) {
			throw new Exception( self::$error_ );
		}
		if ( self::$value_ !== null ) {
			return self::$value_ ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' );
		}
	}

	public static function value( $v ) {
		self::$value_ = $v;
	}

	public static function error( $e ) {
		self::$error_ = $e;
	}

	public static function reset() {
		self::$value_ = self::$error_ = null;
	}
}