The whole NEAT algorithm is written into functional programming.

configs/default_config.ini

@@ -1,7 +1,7 @@
 [basic]
 num_inputs = 2
 num_outputs = 1
-init_maximum_nodes = 200
+init_maximum_nodes = 50
 init_maximum_connections = 200
 init_maximum_species = 10
 expand_coe = 1.5
@@ -11,9 +11,9 @@ batch_size = 4
 
 [population]
 fitness_threshold = 100000
-generation_limit = 100
+generation_limit = 1000
 fitness_criterion = "max"
-pop_size = 150
+pop_size = 1500
 
 [genome]
 compatibility_disjoint = 1.0