MATLAB Answers


@struct method not being found

I have written a number of extensions to the Matlab struct type, which I have stored in a directory called @struct. One of these methods is declared as follows:

function D=moddata(D,Field,Fn,new)

in which Fn is a function handle.

However, I am seeing the following behavior:

K>> which moddata
C:\Users\...\util\@struct\moddata.m  % struct method
K>> isa(S,'struct')
ans =
K>> moddata(S,'Path',@(x)regexprep(x,my_RE,'$1'),'CIPath')
Error using keyboard
Undefined function 'moddata' for input arguments of type 'function_handle'. 

Other methods in the @struct folder are being accessed just fine.

Why is Matlab not finding my method? It seems to be unduly focusing on the function_handle instead of the struct argument.

Thanks in advance.


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1 Answer

Answer by Brandon Kuczenski on 2 Apr 2014
 Accepted Answer

I have been advised by Matlab support that this is expected behavior, because function_handle has higher precedence than struct- even though struct is the first argument- a function_handle method is sought.


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