Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
JasonB`WeakCache`
WeakReference  |
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Details and Options
Examples
(1)
Basic Examples
(1)
Create an object during and return a weak reference to it:
In[1]:=
$HistoryLength=0;
In[2]:=
obj=RandomGraph[{10,15}];
[obj,Echo["deleting obj now"]];ref=
[obj,"Weak"]
 | CleanupAfter |
| CreateReference |
Out[2]=
<WeakReference>
is used above to demonstrate when the underlying object is deleted from memory. Clearing the variable obj will delete all references to the data:
In[3]:=
obj=.
»
deleting obj now
You can no longer retrieve the stored object using the weak reference:
In[4]:=
ref[]
Out[4]=
Failure
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""