Rename files sets.h and maps.h to expr_sets.h and expr_maps.h

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

src/kernel/deep_copy.cpp

@@ -5,7 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include "expr.h"
-#include "maps.h"
+#include "expr_maps.h"
 #include "buffer.h"
 
 namespace lean {

src/kernel/expr.cpp

@@ -9,7 +9,7 @@ Author: Leonardo de Moura
 #include <sstream>
 #include "expr.h"
 #include "free_vars.h"
-#include "sets.h"
+#include "expr_sets.h"
 #include "hash.h"
 #include "format.h"
 

src/kernel/for_each.h

@@ -6,7 +6,7 @@ Author: Leonardo de Moura
 */
 #pragma once
 #include "expr.h"
-#include "sets.h"
+#include "expr_sets.h"
 
 namespace lean {
 template<typename F>

src/kernel/free_vars.cpp

@@ -6,7 +6,7 @@ Author: Leonardo de Moura
 */
 #include <algorithm>
 #include "free_vars.h"
-#include "sets.h"
+#include "expr_sets.h"
 #include "replace.h"
 
 namespace lean {

src/kernel/replace.h

@@ -7,7 +7,7 @@ Author: Leonardo de Moura
 #pragma once
 #include "buffer.h"
 #include "expr.h"
-#include "maps.h"
+#include "expr_maps.h"
 namespace lean {
 /**
    \brief Functional for applying <tt>F</tt> to the subexpressions of a given expression.

src/tests/kernel/expr.cpp

@@ -7,7 +7,7 @@ Author: Leonardo de Moura
 */
 #include <algorithm>
 #include "expr.h"
-#include "sets.h"
+#include "expr_sets.h"
 #include "max_sharing.h"
 #include "free_vars.h"
 #include "test.h"

src/tests/kernel/normalize.cpp

@@ -9,7 +9,7 @@ Author: Leonardo de Moura
 #include "builtin.h"
 #include "trace.h"
 #include "test.h"
-#include "sets.h"
+#include "expr_sets.h"
 using namespace lean;
 
 expr normalize(expr const & e) {