Classdef
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Supported Features
Properties
Classdef properties are supported but not all attributes are implemented.
| Attribute | Support | Notes |
|---|---|---|
| AbortSet | No | Property does not exist. |
| Abstract | Yes | |
| Access | Partial | |
| Constant | Yes | |
| Dependent | Partial | |
| GetAccess | Partial | |
| GetObservable | No | Property exists but is not used. Requires events and listeners to be implemented in order to work properly. |
| Hidden | Yes | |
| NonCopyable | No | Property does not exist. |
| SetAccess | Partial | |
| SetObservable | No | Property exists but is not used. Requires events and listeners to be implemented in order to work properly. |
| Transient | No | Property exists but is not used. |
Methods
Classdef methods are supported but not all attributes are fully implemented.
| Attribute | Support | Notes |
|---|---|---|
| Abstract | Partial | See bug report #51377 |
| Access | Yes | |
| Hidden | Yes | |
| Sealed | Yes | |
| Static | Yes |
Features that are not implemented
enumeration
- #44582 Parse the enumeration section of a classdef definition but nothing is done with it.
events and listeners
- #56194 Parse the events section of a classdef definition but nothing is done with it.
Property Validation Functions
Open Bug Reports for Other Issues
Issues with basic classdef functionality
- #51659 Calling 'methods' on self causes syntax error
- #48682 print_usage fails within classdef block
- #49434 which returns "built-in function" for classdef m-file
- #48041 classdef: `help myclass` messes up `help @myclass/method`
- #43047
help() does not see classdef files- Report closed - #42620 exist() does not use "class" argument
- #53874
doc_cache_create doesnt handle classdef documentation- Report closed - #52096 meta.class.fromName throws error when class name not found.
- #48693 classdef subsref method is not called with correct nargout value - Patch applied, Ready for Test
- #56006 Object indexing: obj(1).property(end+1:n) - end is interpreted wrong
- #55983 'x(ix) = []' deletion syntax does not work for objects
- #55976 cat, repmat, and reshape don't work for classdef objects
- #55961 properties function does not preserve order - Patch submitted, awaiting review
- #52582 using static method to initialize property value fails
- #45833 support load/save of classdef objects
- #60729 print_usage within classdef constructor breaks subsequent calls to the class
- #61676 Assigning classdef objects to other types does not call converter methods
- #63841 nargout is always 1 for classdef methods
Classdef and +package directories
- 54941 interpreter cannot find methods in files of classdefs in packages
Arrays of classdef objects
- #44665 error in concatenation of classdef objects
- #53906 Cannot make an object array with square brackets
- #47755 Access to object arrays
- #47241 classdef: assigning property of handle object in object array constructs new object
Debugger (fixes for these are in progress)
- #46451 unable to set breakpoints within classdef classes (patch submitted)
- #45404 Breakpoints cannot be set in classdef methods or +package function files
Lower-priority issues
- #55488 Invalid use of colon char as classdef function's argument when subsref is overwritten
- #54966 Error when assigning array to an object implementing subsasgn() subscripted using "{}"
- #54028 copy of non-handle class instance is not deep
- #53811 cellfun does not find overloaded function with function name argument
- #52989 classdef: missing error messages on multiply defined properties
- #52582 Dependent constant properties in classdef errors: no such file
- #52123 Indirect memory leak in cdef_manager::initialize ()
- #51285 max_recursion_depth error in classdef constructor
- #50395 subclassing a class that is also defined as a variable fails
- #50011 failure to report error on conflicting methods for classdef
- #49379 classdef constructor: .argn. loses first argument, inputname(n) returns inputname(n+1)
- #55810 sizeof() and whos() returns 0 bytes for classdef objects
- #45893 classdef properties are not reloaded when file is updated
- #44643 classdef handle object can go into an recursive loop with isequal(obj1,obj2) if both are self-referential
- #55755 mxGetProperty does not work with properties marked as Dependent
- #55767 classdef property should not be the same as classdef name (at least for Matlab compatibility)
- #44035 unable to subclass built-in types
Documentation
- #50729 Improve OOP documentation
- #47908 Octave:classdef-to-struct not documented in warning_ids.m
- #44590 More documentation for the current status of classdef implementation