chore(kernel/for_each): use consistent naming convetions

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

src/bindings/lua/expr.cpp

@@ -16,7 +16,7 @@ Author: Leonardo de Moura
 #include "kernel/instantiate.h"
 #include "kernel/abstract.h"
 #include "kernel/formatter.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 #include "kernel/free_vars.h"
 #include "kernel/occurs.h"
 #include "kernel/metavar.h"

src/frontends/lean/pp.cpp

@@ -15,7 +15,7 @@ Author: Leonardo de Moura
 #include "util/sexpr/options.h"
 #include "util/interrupt.h"
 #include "kernel/context.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 #include "kernel/occurs.h"
 #include "kernel/builtin.h"
 #include "kernel/free_vars.h"

src/kernel/environment.cpp

@@ -14,7 +14,7 @@ Author: Leonardo de Moura
 #include <mutex>
 #include "util/safe_arith.h"
 #include "util/realpath.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 #include "kernel/kernel_exception.h"
 #include "kernel/environment.h"
 #include "kernel/threadsafe_environment.h"

src/kernel/has_cached_type.cpp

@@ -5,7 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include "kernel/expr.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 
 namespace lean {
 bool has_cached_type(expr const & e) {

src/kernel/metavar.cpp

@@ -13,7 +13,7 @@ Author: Leonardo de Moura
 #include "kernel/free_vars.h"
 #include "kernel/instantiate.h"
 #include "kernel/occurs.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 
 namespace lean {
 /**

src/kernel/occurs.cpp

@@ -5,7 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include "kernel/occurs.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 
 namespace lean {
 template<typename F>

src/tests/library/deep_copy.cpp

@@ -5,7 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #include "util/test.h"
-#include "kernel/for_each.h"
+#include "kernel/for_each_fn.h"
 #include "kernel/abstract.h"
 #include "library/deep_copy.h"
 using namespace lean;