difference-of-squares 1.2.0: no-op declare compliance with problem-specifications
difference-of-squares 1.2.0: no-op declare compliance with problem-specifications

input object

https://github.com/exercism/problem-specifications/pull/1064

exercism/xrust,petertseng/exercism-rust,petertseng/exercism-rust,petertseng/exercism-rust,exercism/xrust