$AssertFunction

$AssertFunction

specifies a function to apply to assertions that fail.

Details

Examples

Basic Examples  (1)

You can change the behavior when an assertion fails by assigning to $AssertFunction. This function throws an exception when an assertion fails:

In[1]:=
Click for copyable input
In[2]:=
Click for copyable input

Here the exception thrown by the assertion function is caught:

In[3]:=
Click for copyable input
Out[3]=
In[4]:=
Click for copyable input

See Also

Assert  Print  Message  On

Introduced in 2010
(8.0)