MissingQ

MissingQ[expr]

gives True if expr has head Missing.

Examples

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Basic Examples  (1)

Test whether an expression has head Missing:

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

Properties & Relations  (2)

Possible Issues  (1)

Introduced in 2015
(10.2)