> in imperative programming, a subroutine with side effects is idempotent if the system state remains the same after one or several calls https://en.wikipedia.

> in imperative programming, a subroutine with side effects is idempotent if the system state remains the same after one or several calls https://en.wikipedia.org/wiki/Idempotence#Computer_science_meaning https://en.wikipedia.org/wiki/Idempotence#Computer_science_m...