remove create_func....

core/__init__.py

@@ -2,4 +2,5 @@ from .algorithm import Algorithm
 from .state import State
 from .genome import Genome
 from .gene import Gene
-from .substrate import Substrate
+from .substrate import Substrate
+from .problem import Problem

core/gene.py

@@ -6,6 +6,9 @@ class Gene:
     node_attrs = []
     conn_attrs = []
 
+    def __init__(self, config: GeneConfig):
+        raise NotImplementedError
+
     def setup(self, state=State()):
         raise NotImplementedError
 

core/problem.py

@@ -0,0 +1,15 @@
+from typing import Callable
+from config import ProblemConfig
+from state import State
+
+
+class Problem:
+
+    def __init__(self, config: ProblemConfig):
+        raise NotImplementedError
+
+    def setup(self, state=State()):
+        raise NotImplementedError
+
+    def evaluate(self, state: State, act_func: Callable, params):
+        raise NotImplementedError

core/substrate.py

@@ -6,3 +6,5 @@ class Substrate:
     @staticmethod
     def setup(state, config: SubstrateConfig):
         return state
+
+