Squashed 'libs/cli11/' content from commit dcbcb47

git-subtree-dir: libs/cli11
git-subtree-split: dcbcb4721dda5dab0a56d9faaaee50e6a30f7758

examples/subcom_in_files/subcommand_a.hpp

@@ -0,0 +1,23 @@
+// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
+#pragma once
+
+#include <CLI/CLI.hpp>
+#include <string>
+
+/// Collection of all options of Subcommand A.
+struct SubcommandAOptions {
+    std::string file;
+    bool with_foo;
+};
+
+// We could manually make a few variables and use shared pointers for each; this
+// is just done this way to be nicely organized
+
+// Function declarations.
+void setup_subcommand_a(CLI::App &app);
+void run_subcommand_a(SubcommandAOptions const &opt);