Renaming versus initialisation

Hi

Assuming the following declarations:

type T is ...;

function F return T is ...;

I'm a bit uncertain about the difference of the following declarations:

V1 : T := F;
V2 : T renames F;

I'd like to see an explanation of the effect of an object renaming
declaration versus variable declaration and initialisation, when the object
being renamed is a return value of a function. Many thanks for it.

--
Tapio
.

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