Fix incorrect return order in code example
Fix incorrect return order in code example

Co-Authored-By: Chris Nankervis <711c73f64afdce07b7e38039a96d2224209e9a6c@nankervis.com>
Co-Authored-By: Brendan Weibrecht <d88b10c6bc7c38a4ffb541994aef7d8a7f8e3819@weibrecht.net.au>

misshie/interval-tree