My problem is that I'm using one-liner functions like
isint = @(x) all(imag(x)==0 & mod(x, 1)==0);
to check the type of function inputs (this is similar to some answer of Bruno Luong somewhere on matlabcentral). Initially there was only one 'start' function to check this.
Now I'd like to use them in set methods of multiple classes, in which I'd like to check the validity of an input before assigning it to a property. But then it seems that it's needed to define these "checker functions" in each class or to abandon their use alltogether and write the underlying expressions directly into setters. Is there any elegant way to avoid these two unpleasant alternatives? May be somehow make the "checker functions" available to several classes (writing a separate function file for each checker is unpleasant as well..)?