| author | paulson |
| Thu, 21 Mar 1996 13:02:26 +0100 | |
| changeset 1601 | 0ef6ea27ab15 |
| 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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rules |
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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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