[Octave-bug-tracker] [bug #53118] char ( function_handle ) throws error

[Rik]

Update of bug #53118 (project octave):

                Severity:              3 - Normal => 2 - Minor              
                Priority:              5 - Normal => 3 - Low                
                  Status:                    None => Confirmed              
                 Summary: char( @function_handle ) throws error => char (
function_handle ) throws error

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Follow-up Comment #1:

Confirmed.  The wider issue is that function handles probably need to
implement an overload of the char function which just returns the string
version of them.

For example,


octave:2> f = @(x) x^2 + 1
f =

@(x) x ^ 2 + 1


Clearly there are routines that understand how to print the string
representation of a function handle.

But,


char (f)
error: octave_base_value::convert_to_str_internal (): wrong type argument
'function handle'


This is the case with all function handles including handles to built-in
functions.


octave:3> char (@plus)
error: octave_base_value::convert_to_str_internal (): wrong type argument
'function handle'




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