manual-copy

Replace element-by-element copy loops with a bulk copy operation

performancewarningno fixmodule

Copying corresponding elements one at a time repeats bounds checks and hides a contiguous copy. Instead, you SHOULD use the collection's bulk copy operation.

Reported

1function copy(target: &exclusive int32[], source: &readonly int32[]): void {2    for (let index: isize = 0; index < source.length; index++) {3        target[index] = source[index];4    }5}

Accepted

1function copy(target: &exclusive int32[], source: &readonly int32[]): void {2    target.view(0, source.length).copyFrom(source.view(0));3}