Changeset 1763 for lang/unlambda
- Timestamp:
- 11/19/07 01:26:08 (12 months ago)
- Files:
-
- 1 modified
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lang/unlambda/impl/in_python/unlambda_lambda.py (modified) (1 diff)
Legend:
- Unmodified
- Added
- Removed
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lang/unlambda/impl/in_python/unlambda_lambda.py
r1762 r1763 85 85 V = lambda:lambda c:c(V0) 86 86 87 class K(Node): 88 "constant: ``kXY = X" 89 def __str__(self): 90 return "K" 91 def __call__(self, cont): 92 def K0(X, cont): 93 def K1(Y, cont): 94 return cont(X) 95 return cont(K1) 96 return cont(K0) 97 98 class S(Node): 99 "substitution: ```sXYZ = ``XZ`YZ" 100 def __str__(self): 101 return "S" 102 def __call__(self, cont): 103 def S0(X, cont): 104 def S1(Y, cont): 105 def S2(Z, cont): 106 return EvalTask( 87 K = lambda:lambda c:c(lambda X,c:c(lambda Y,c:c(X))) 88 89 S = lambda:lambda c:c( 90 lambda X,c:c( 91 lambda Y,c:c( 92 lambda Z,c:EvalTask( 93 Apply( 107 94 Apply( 108 Apply(Func2Node(X), Func2Node(Z)),109 Apply(Func2Node(Y), Func2Node(Z))), cont)110 return cont(S2)111 return cont(S1)112 return cont(S0)95 Func2Node(X), 96 Func2Node(Z)), 97 Apply( 98 Func2Node(Y), 99 Func2Node(Z))), c)))) 113 100 114 101 class Func2Node(Node):
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