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Quote: assignment by replica() assigns a copy of the parameter; example of function assignment swapping the result
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Topic:
aliasing
Topic:
safe use of pointers
Topic:
replacement as moving information
Quotation Skeleton
One use of a function assignment statement [which swaps the original value with the function's return value] achieves the effect of the usual assignment statement "x:=y" in … (y:item) returns z:item ensures y=#y and z=y [By using replica, the programmer knows there is a run-time cost. Not all data types need to have a replica function defined.] Google-1 Google-2
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Topic: aliasing (28 items)
Topic: safe use of pointers (102 items)
Topic: replacement as moving information (4 items)