Rationale for Ada 2012
9.4.4 Shorthand for assignments
Consideration was given
to having some short of shorthand for assignments where source and target
have commonality as in statements such as
A(I) := A(I) + 1;
But maybe the thought of C++ was too much. In any
event no agreement that it was worthwhile was reached and there was certainly
no agreement on what syntax might be acceptable. (See
AI-187).
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