From dc08bcafaeba8b6abc816bab7c6468b7c601732a Mon Sep 17 00:00:00 2001
From: Joseph Lenox <lenox.joseph@gmail.com>
Date: Sat, 5 May 2018 16:13:34 -0500
Subject: [PATCH] Added template function to make getting references to
 ConfigOptions easier to write.

---
 xs/src/libslic3r/Config.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xs/src/libslic3r/Config.hpp b/xs/src/libslic3r/Config.hpp
index a4c7fa470..e2049cd32 100644
--- a/xs/src/libslic3r/Config.hpp
+++ b/xs/src/libslic3r/Config.hpp
@@ -16,6 +16,13 @@ public:
 
     void write_ini(const std::string& file) { save(file); }
     void read_ini(const std::string& file) { load(file); }
+
+    /// Template function to retrieve and cast in hopefully a slightly nicer 
+    /// format than longwinded dynamic_cast<> 
+    template <class T>
+    T& get(const t_config_option_key& opt_key, bool create=false) {
+        return *(dynamic_cast<T*>(this->optptr(opt_key, create)));
+    }
 };
 
 } // namespace Slic3r