Null object: Difference between revisions
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=={{header|REXX}}==
REXX can have variables with a null value.
<br>With the
<br>The
<br>A variable with a
<br><br>The '''DROP''' statement can be used to "un-define" a REXX variable.
<lang rexx>/*REXX program demonstrates null strings, and also undefined values. */
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