diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a27092..bbb9149 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(blt-gp VERSION 0.1.47)
+project(blt-gp VERSION 0.1.48)
 
 include(CTest)
 
diff --git a/examples/symbolic_regression.cpp b/examples/symbolic_regression.cpp
index 5c1c33f..80b378e 100644
--- a/examples/symbolic_regression.cpp
+++ b/examples/symbolic_regression.cpp
@@ -19,7 +19,7 @@
 #include <blt/profiling/profiler_v2.h>
 #include <blt/gp/tree.h>
 #include <blt/std/logging.h>
-#include <blt/std/format.h>
+#include <blt/format/format.h>
 #include <iostream>
 #include "operations_common.h"
 #include "blt/math/averages.h"
@@ -80,8 +80,12 @@ float example_function(float x)
     return x * x * x * x + x * x * x + x * x + x;
 }
 
+BLT_MAKE_CONFIG_TYPE(test, BLT_MAKE_GETTER_AND_SETTER(int, silly) BLT_MAKE_GETTER(int, billy));
+
 int main()
 {
+    test t;
+    
     BLT_INFO("Starting BLT-GP Symbolic Regression Example");
     BLT_START_INTERVAL("Symbolic Regression", "Main");
     BLT_DEBUG("Setup Fitness cases");
diff --git a/include/blt/gp/config.h b/include/blt/gp/config.h
index fb91439..c9df164 100644
--- a/include/blt/gp/config.h
+++ b/include/blt/gp/config.h
@@ -22,6 +22,7 @@
 #include <utility>
 #include <thread>
 #include <blt/std/types.h>
+#include <blt/meta/config_generator.h>
 #include <blt/gp/generators.h>
 #include <blt/gp/transformers.h>
 
diff --git a/include/blt/gp/program.h b/include/blt/gp/program.h
index fca001d..288a12f 100644
--- a/include/blt/gp/program.h
+++ b/include/blt/gp/program.h
@@ -40,7 +40,7 @@
 #include <blt/std/hashmap.h>
 #include <blt/std/types.h>
 #include <blt/std/utility.h>
-#include <blt/std/meta.h>
+#include <blt/meta/meta.h>
 #include <blt/std/memory.h>
 #include <blt/std/thread.h>
 #include <blt/gp/fwdecl.h>
@@ -52,7 +52,7 @@
 #include <blt/gp/stack.h>
 #include <blt/gp/config.h>
 #include <blt/gp/random.h>
-#include "blt/std/format.h"
+#include "blt/format/format.h"
 
 namespace blt::gp
 {
diff --git a/include/blt/gp/selection.h b/include/blt/gp/selection.h
index e9c9b28..b6e4272 100644
--- a/include/blt/gp/selection.h
+++ b/include/blt/gp/selection.h
@@ -24,7 +24,7 @@
 #include <blt/gp/config.h>
 #include <blt/gp/random.h>
 #include <blt/std/assert.h>
-#include "blt/std/format.h"
+#include "blt/format/format.h"
 
 namespace blt::gp
 {
diff --git a/include/blt/gp/stack.h b/include/blt/gp/stack.h
index 4a883ab..6c7e7f8 100644
--- a/include/blt/gp/stack.h
+++ b/include/blt/gp/stack.h
@@ -25,7 +25,7 @@
 #include <blt/std/logging.h>
 #include <blt/std/allocator.h>
 #include <blt/std/ranges.h>
-#include <blt/std/meta.h>
+#include <blt/meta/meta.h>
 #include <blt/gp/fwdecl.h>
 #include <blt/gp/stats.h>
 #include <utility>
diff --git a/include/blt/gp/transformers.h b/include/blt/gp/transformers.h
index 15c5765..65aa279 100644
--- a/include/blt/gp/transformers.h
+++ b/include/blt/gp/transformers.h
@@ -78,6 +78,7 @@ namespace blt::gp
             {}
             
             std::optional<crossover_t::crossover_point_t> get_crossover_point(gp_program& program, const tree_t& c1, const tree_t& c2) const;
+            std::optional<blt::ptrdiff_t> find_place_of_type(gp_program& program, const tree_t& t, type_id type) const;
             
             /**
              * child1 and child2 are copies of the parents, the result of selecting a crossover point and performing standard subtree crossover.
diff --git a/lib/blt b/lib/blt
index 7198a8b..7410dfe 160000
--- a/lib/blt
+++ b/lib/blt
@@ -1 +1 @@
-Subproject commit 7198a8b0c32e35c9d80d8e44ff17c7199ddde6f8
+Subproject commit 7410dfe0ff6196e77856a79b4c92b05a90e35880
diff --git a/src/stats.cpp b/src/stats.cpp
index 2ee9322..c9d0d3e 100644
--- a/src/stats.cpp
+++ b/src/stats.cpp
@@ -17,7 +17,7 @@
  */
 #include <blt/gp/stats.h>
 #include <blt/std/logging.h>
-#include "blt/std/format.h"
+#include "blt/format/format.h"
 
 namespace blt::gp
 {
diff --git a/src/transformers.cpp b/src/transformers.cpp
index 82693a2..cfa1f04 100644
--- a/src/transformers.cpp
+++ b/src/transformers.cpp
@@ -211,6 +211,11 @@ namespace blt::gp
         return crossover_point_t{static_cast<blt::ptrdiff_t>(crossover_point), static_cast<blt::ptrdiff_t>(attempted_point)};
     }
     
+    std::optional<blt::ptrdiff_t> crossover_t::find_place_of_type(gp_program& program, const tree_t& t, type_id type) const
+    {
+        return std::optional<blt::ptrdiff_t>();
+    }
+    
     bool mutation_t::apply(gp_program& program, const tree_t&, tree_t& c)
     {
         mutate_point(program, c, program.get_random().get_size_t(0ul, c.get_operations().size()));