redundant-clone

Disallow clones proven unnecessary by ownership and liveness

performancewarningno fixmodule

Cloning an owned value at its final use duplicates the value before the original is discarded. Instead, you SHOULD move the original value when it is not used afterward.

Reported

1import { rc } from "destack:memory";2 3function retain(value: rc.Rc<int32>): rc.Rc<int32> {4    return value.clone();5}

Accepted

1import { rc } from "destack:memory";2 3function retain(value: rc.Rc<int32>): rc.Rc<int32> {4    return value;5}