Move 'iterable' module

smnp/module/iterable/function/range.py

@@ -0,0 +1,36 @@
+from smnp.library.model import CombinedFunction, Function
+from smnp.library.signature import signature, ofType
+from smnp.note.model import Note
+from smnp.type.model import Type
+
+
+_signature1 = signature(ofType(Type.INTEGER))
+def _function1(env, upper):
+    return Type.list(list(range(upper.value + 1)))
+
+
+_signature2 = signature(ofType(Type.INTEGER), ofType(Type.INTEGER))
+def _function2(env, lower, upper):
+    return Type.list(list(range(lower.value, upper.value + 1)))
+
+
+_signature3 = signature(ofType(Type.INTEGER), ofType(Type.INTEGER), ofType(Type.INTEGER))
+def _function3(env, lower, upper, step):
+    return Type.list(list(range(lower.value, upper.value + 1, step.value)))
+
+
+_signature4 = signature(ofType(Type.NOTE), ofType(Type.NOTE))
+def _function4(env, lower, upper):
+    return Type.list([Type.note(n) for n in Note.range(lower.value, upper.value)])
+
+
+# TODO
+# signature5 = range(note lower, note upper, integer step) OR step = "diatonic" | "chromatic" | "augmented" | "diminish"
+
+function = CombinedFunction(
+    'range',
+    Function(_signature1, _function1),
+    Function(_signature2, _function2),
+    Function(_signature3, _function3),
+    Function(_signature4, _function4),
+)