Hello,

Metavariables of the semantic patch language provide common information.

1. A fixed type (or kind)
2. An entity which can be variable.

These properties can be distinguished further.

Another example:
char c;

Such SmPL code looks like the specification of a fixed data type selection for
the C programming language.
Do you know anything that could be still variable for such an item?

The situation is different for metavariable kinds like the following.

* identifier
* struct
* expression


We would like to achieve source code transformations which can be compiled
(or not). How often will it matter then how these selections will be applied?

Regards,
Markus
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