chore(src/api): workaround style

src/api/exception.h

@@ -5,7 +5,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Author: Leonardo de Moura
 */
 #pragma once
-#include "api/lean_bool.h"
+#include <string>
 #include "api/lean_macros.h"
 #include "api/lean_bool.h"
 #include "api/lean_exception.h"
@@ -40,7 +40,6 @@ void check_nonnull(void const *);
 }
 
 #define LEAN_TRY try {
-
 #define LEAN_CATCH                                      \
 } catch (lean::exception & e) {                         \
     *ex = of_exception(e.clone());                      \

src/api/lean.h

@@ -7,10 +7,10 @@ Author: Leonardo de Moura
 #ifndef _LEAN_H
 #define _LEAN_H
 
-#include "lean_macros.h"
-#include "lean_bool.h"
-#include "lean_string.h"
-#include "lean_exception.h"
-#include "lean_name.h"
+#include "lean_macros.h"        // NOLINT
+#include "lean_bool.h"          // NOLINT
+#include "lean_string.h"        // NOLINT
+#include "lean_exception.h"     // NOLINT
+#include "lean_name.h"          // NOLINT
 
 #endif

src/api/name.cpp

@@ -7,7 +7,7 @@ Author: Leonardo de Moura
 #include "api/name.h"
 #include "api/string.h"
 #include "api/exception.h"
-using namespace lean;
+using namespace lean; // NOLINT
 
 lean_bool lean_mk_anonymous_name(lean_name * r, lean_exception * ex) {
     LEAN_TRY;

src/api/string.cpp

@@ -4,7 +4,8 @@ Released under Apache 2.0 license as described in the file LICENSE.
 
 Author: Leonardo de Moura
 */
-#include <string.h>
+#include <string>
+#include <string.h> // NOLINT
 #include "api/lean_string.h"
 #include "api/string.h"