Move 'flat' function definition to standard library

smnp/module/iterable/__init__.py

@@ -1,4 +1,4 @@
-from smnp.module.iterable.function import combine, flat, map, range, get
+from smnp.module.iterable.function import combine, map, range, get
 
-functions = [ combine.function, flat.function, map.function, range.function ]
+functions = [ combine.function, map.function, range.function ]
 methods = [ get.function ]

smnp/module/iterable/function/flat.py

@@ -1,23 +0,0 @@
-from smnp.function.model import Function
-from smnp.function.signature import varargSignature
-from smnp.type.model import Type
-from smnp.type.signature.matcher.type import allTypes
-
-_signature = varargSignature(allTypes())
-def _function(env, vararg):
-    return Type.list(doFlat(vararg, [])).decompose()
-
-
-def doFlat(input, output=None):
-    if output is None:
-        output = []
-
-    for item in input:
-        if item.type == Type.LIST:
-            doFlat(item.value, output)
-        else:
-            output.append(item)
-    return output
-
-
-function = Function(_signature, _function, 'flat')

smnp/runtime/evaluators/imports.py

@@ -7,5 +7,5 @@ class ImportEvaluator(Evaluator):
     @classmethod
     def evaluator(cls, node, environment):
         source = node.source
-        newEnvironment = Interpreter.interpretFile(source.value)
+        newEnvironment = Interpreter.interpretFile(source.value, baseEnvironment=environment)
         environment.extend(newEnvironment)