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List:       stringtemplate-interest
Subject:    [stringtemplate-interest] Empty vs null
From:       Terence Parr <parrt () cs ! usfca ! edu>
Date:       2009-06-27 22:44:30
Message-ID: 9DE0B1F0-86A0-4450-87AC-425851EE9FF2 () cs ! usfca ! edu
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Hi,

Bill Venners had a good suggestion: we need an "empty" value for an  
attribute. null means "not there" and Empty would mean "present but no  
value" sort of like 'new String("")'.

Now, adding a null value in a list gets ignored.

null:foo()		means do nothing
Empty:foo()	means same as foo()

Seem ok for next version?

Ter
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