26 lines
631 B
C++
26 lines
631 B
C++
/*
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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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#pragma once
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#include "util/lua.h"
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#include "util/splay_map.h"
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#include "util/name.h"
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#include "kernel/expr.h"
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namespace lean {
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/**
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\brief Simpler version of metavar_env.
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It is used in fo_unify
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*/
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typedef splay_map<name, expr, name_quick_cmp> substitution;
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/**
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\brief Apply substitution \c s to \c e
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*/
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expr apply(substitution & s, expr const & e);
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expr find(substitution & s, expr e);
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UDATA_DEFS_CORE(substitution)
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void open_substitution(lua_State * L);
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}
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