| author | regensbu |
| Thu, 29 Jun 1995 16:28:40 +0200 | |
| changeset 1168 | 74be52691d62 |
| parent 297 | 5ef75ff3baeb |
| permissions | -rw-r--r-- |
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(* Title: HOLCF/stream2.thy |
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ID: $Id$ |
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Author: Franz Regensburger |
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Copyright 1993 Technische Universitaet Muenchen |
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Additional constants for stream |
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*) |
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Stream2 = Stream + |
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consts |
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smap :: "('a -> 'b) -> 'a stream -> 'b stream"
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defs |
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smap_def |
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"smap == fix`(LAM h f s. stream_when`(LAM x l.scons `(f`x) `(h`f`l)) `s)" |
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end |
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(* |
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smap`f`UU = UU |
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x~=UU --> smap`f`(scons`x`xs) = scons `(f`x) `(smap`f`xs) |
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*) |
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