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// A variable is only initialized to a constant and is never used otherwise
//
// Confidence: High
// Copyright: (C) Gilles Muller, Julia Lawall, EMN, INRIA, DIKU. GPLv2.
// URL: https://coccinelle.gitlabpages.inria.fr/website/rules/unused.html
// Options:
@e@
identifier i;
position p;
type T;
@@
extern T i@p;
@@
type T;
identifier i;
constant C;
position p != e.p;
@@
- T i@p;
<+... when != i
- i = C;
...+>