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feat(library/locals): use optional<expr> instead of bool at depends_on (for arrays)

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This commit is contained in:
Leonardo de Moura 2015-02-16 18:18:37 -08:00
parent 461c02d790
commit 3a67ddb7c5
2 changed files with 4 additions and 4 deletions
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6
src/library/locals.cpp
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@ -78,10 +78,10 @@ bool contains_local(expr const & e, name const & n) {
return result;
}
bool depends_on(unsigned sz, expr const * es, expr const & h) {
optional<expr> depends_on(unsigned sz, expr const * es, expr const & h) {
for (unsigned i = 0; i < sz; i++)
if (depends_on(es[i], h))
return true;
return false;
return some_expr(es[i]);
return none_expr();
}
}

2
src/library/locals.h
View file

@ -35,5 +35,5 @@ inline bool depends_on(expr const & e, expr const & h) {
}
/** \brief Return true iff one of \c es contains the local constant \c h */
bool depends_on(unsigned sz, expr const * es, expr const & h);
optional<expr> depends_on(unsigned sz, expr const * es, expr const & h);
}