As per its documentation matlab.mixin.Copyable does not make a deep copy of the object properties even if they themselves derived from copyable: "In making a shallow copy, MATLAB® does not call copy recursively on any handles contained in property values." You actually have to override the copyElement to make the copy yourself:
classdef Pipe < matlab.mixin.Copyable
properties
PipeName;
PipeVault;
UnLock;
Units;
end
methods (Access = protected)
function thiscopy = copyElement(this)
thiscopy = copyElement@matlab.mixin.Copyable(this); %shallow copy of all elements
thiscopy.PipeVault = copy(this.PipeVault); %Deep copy of pipevault
end
end
end
