2013-08-14 19:00:11 +00:00
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/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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2013-09-13 10:35:29 +00:00
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#include "kernel/occurs.h"
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2013-11-19 21:03:46 +00:00
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#include "kernel/find_fn.h"
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2013-08-14 19:00:11 +00:00
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namespace lean {
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bool occurs(name const & n, context const * c, unsigned sz, expr const * es) {
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2013-11-19 21:03:46 +00:00
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return find(c, sz, es, [&](expr const & e) { return is_constant(e) && const_name(e) == n; });
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2013-08-14 19:00:11 +00:00
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}
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bool occurs(expr const & n, context const * c, unsigned sz, expr const * es) {
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2013-11-19 21:03:46 +00:00
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return find(c, sz, es, [&](expr const & e) { return e == n; });
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2013-08-14 19:00:11 +00:00
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}
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bool occurs(expr const & n, expr const & m) { return occurs(n, nullptr, 1, &m); }
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bool occurs(name const & n, expr const & m) { return occurs(n, nullptr, 1, &m); }
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bool occurs(expr const & n, context const & c) { return occurs(n, &c, 0, nullptr); }
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bool occurs(name const & n, context const & c) { return occurs(n, &c, 0, nullptr); }
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bool occurs(expr const & n, context const & c, unsigned sz, expr const * es) { return occurs(n, &c, sz, es); }
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bool occurs(name const & n, context const & c, unsigned sz, expr const * es) { return occurs(n, &c, sz, es); }
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}
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