Oxygen Basic
Programming => Bugs & Feature Requests => Topic started by: Charles Pegge on June 22, 2012, 01:35:29 AM
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'%%' means 'define it only if it does not exist already'.
% a 45
%% a 90
%% b 180
print a 'result 45
print b 'result 180
It also works with string equates and other macros defined in this manner.
You can also use $ and $$ as an alternative to % and %%
Available on the latest Oxygen-in-progress
Charles