1: <?php
 2: namespace Pharborist\Types;
 3: 
 4: use Pharborist\NodeInterface;
 5: 
 6: /**
 7:  * A single, static value that is not composed of other values (like an array). The
 8:  * following are all valid ScalarNodes:
 9:  *
10:  * - Non-interpolated strings: `'Herro'`, `"Why the long face?"`
11:  * - Integers: 0, 30, -1
12:  * - Floats: 3.141, 8.75
13:  * - Booleans: `TRUE`, `FALSE`
14:  * - Null
15:  */
16: interface ScalarNode extends NodeInterface {
17:   /**
18:    * @return mixed
19:    */
20:   public function toValue();
21: }
22: