Changeset 1929 for lang/unlambda/impl/in_python/unlambda_oneliner.py

Timestamp:

11/23/07 14:19:25 (14 months ago)

Author:

nishio

Message:

lang/unlambda/impl/in_python: lambda-ize _parse and run, remove _parse

Files:

• lang/unlambda/impl/in_python/unlambda_oneliner.py (modified) (3 diffs)

lang/unlambda/impl/in_python/unlambda_oneliner.py

@@ -39 +39 @@
 lambda V=lambda X,c:c(V):V
 
-def _parse(iter):
-    return {
+parse = lambda s: \
+    (lambda iter:{
         "i": lambda:lambda c:c(lambda X,c:c(X)),
         "d": lambda:D_,
@@ -60 +60 @@
         ".": lambda: Dot(iter.next()),
         "`": lambda: Apply(_parse(iter), _parse(iter)),
-    }.get(iter.next(), lambda: _parse(iter))()
-
-parse = lambda s: _parse(list(s).__iter__())
+    }.get(iter.next(), lambda: _parse(iter))())\
+    (list(s).__iter__())
 
 # Main loop
@@ -72 +71 @@
 
 from itertools import count, ifilter
-def run(s):
-    unlambda.__setattr__("task", lambda:parse(s)(lambda f:lambda:None))
-    ifilter(lambda x:not(unlambda.next()), count()).next()
+run = lambda s:\
+    unlambda.__setattr__("task", lambda:parse(s)(lambda f:lambda:None)) or\
+    ifilter(lambda x:not(unlambda.next()), count()).next() and None
 
 # Test