Function append
pub fn append<T, let ALen: u32, let BLen: u32, let DstLen: u32>(
a: BoundedVec<T, ALen>,
b: BoundedVec<T, BLen>,
) -> BoundedVec<T, DstLen>pub fn append<T, let ALen: u32, let BLen: u32, let DstLen: u32>(
a: BoundedVec<T, ALen>,
b: BoundedVec<T, BLen>,
) -> BoundedVec<T, DstLen>
Appends the elements of the second
BoundedVecto the end of the first one. The resultingBoundedVeccan have any arbitrary maximum length, but it must be large enough to fit all of the elements of both the first and second vectors.