Lazy initialized

Hi Dal,

lazy initializing means to create the instance first in the getter accessor.
This looks in Smalltalk like follows:

#taskEditor
        ^ taskEditor ifNil: [taskEditor := StTaskEditor new]

Best regards,
Michael

On 23.02.2014, at 14:18, Dalarna Ors <[hidden email]> wrote:

> Hi,
>
> As I'm not smalltalk king yet I have some "struggle" with some stuffs from the tutorial.
>
> In this text author write about  lazy initialized .
>
> "
> To connect the listed tasks to our newly created task editor we have to add an instance variable taskEditor to ourStRootComponent and create the accessors for it. In addition, it should be lazy initialized with an empty instance ofStTaskEditor. Of course, we could create a new instance for every edit request and thus get rid of the variable, but this would be an unnecessary overhead of object creation.
> "
>
> How should I write the code ?
>
> //Dal.

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---
Dr.-Ing. Michael Perscheid
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http://www.michaelperscheid.de/

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