Editor code completion for MATLAB Handle classes?
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When working with the definition for a handle class. Can the code completion feature see the methods and properties of the class?
classdef A < handle
properties
a;
b;
end
methods
function obj = A()
obj.b = 1; %Code Editor does not see the property b when I type in the period after obj.
end
end
end
Code Editor does not see the property b when I type in the period after obj.
采纳的回答
per isakson
2014-12-20
编辑：per isakson
2014-12-20
I'm not sure what's in the documentation. I use R2013a and the code below. I work in "break mode", similar to In-situ Coding.
In "break mode" code completion works both with constructors and ordinary methods.
classdef A < handle
properties
a
b
end
methods
function obj = A()
end
function foo( obj )
end
end
end
 
 
4 个评论
Doesn't work for me in R2013b. Maybe it requires a preference setting of some sort? Also, I don't understand the 3rd example involving foo() and what distinguishes it from the 1st example, also involving foo(). And how was break mode reached in the 3rd example?
John
2014-12-20
John
2014-12-20
per isakson
2014-12-20
- Yes, it requires a preference setting (see below).
- Yes, the "No Completion" in the third example is because not in "break mode"; no breakpoint and no little green arrow.
A problem to provide Tab Completion when the variables are not defined, i.e. based on the text, is that there are syntax errors most of the time when the code is being written.
I've problems with the words, that's why I use so few. In the documentation I find the terms
- Tab completion not "Code completion"
- Debugging session I wrote "break mode" 
更多回答（1 个）
Inside most class methods, the editor would have no way of knowing in advance that "obj" is intended to be an object of the class. The constructor is an exception, because a class member is the only legal output argument of class constructors. But I can imagine the editor developers simply not investing in special treatment for constructors, when it's a convenience that can't be given anywhere else.
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