functional tools for gooey

gooey/gui/util/casting.py

@@ -0,0 +1,15 @@
+
+
+def safe_int(n):
+  return _safe_cast(int, n)
+
+def safe_float(n):
+  return _safe_cast(float, n)
+
+
+def _safe_cast(_type, val):
+  try:
+    return _type(val)
+  except ValueError:
+    return None
+

gooey/gui/util/functional.py

@@ -0,0 +1,10 @@
+'''
+Simple monad-ish bindings
+'''
+
+
+def unit(val):
+  return val
+
+def bind(val, f):
+  return f(val) if val else None