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Lossless Assignments

A lossless assignment is an assignment between incompatible data types in which the conversion is checked to see whether data is lost. Lossless assignments can be performed using the

• lossless operator EXACT, in which the argument is converted to a result of the specified type using the

• rules for lossless assignments.

This makes it possible to use lossless assignments in all operand positions in which EXACT can be specified.

The real meaning of a lossless assignment is the following method of using a constructor expression with EXACT as the right side of an assignment:

Other versions: 7.31 | 7.40 | 7.54

Syntax

destination = EXACT #( source ).

In this case, source is converted to the data type of destination and checked accordingly.

Notes

• If the argument of the operator EXACT is an arithmetic expression, a lossless calculation is performed instead of a lossless assignment.

• Using the addition EXACT in the obsolete statement MOVE is an obsolete form of lossless assignment.

Continue

EXACT - Lossless Operator

Lossless Assignments - Rules