annotate mem.urs @ 25:9f56676e7c4e
Track addition of 'style' and 'dynStyle'
| author |
Adam Chlipala <adam@chlipala.net> |
| date |
Sun, 06 May 2012 15:16:27 -0400 |
| parents |
943410267fad |
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line source |
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adam@5
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1 (** A record membership predicate *)
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2
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3 con mem :: K --> Name -> K -> {K} -> Type
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4
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5 val mem : K --> nm :: Name -> t :: K -> r :: {K} -> [[nm] ~ r] => mem nm t ([nm = t] ++ r)
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6 val mp : K --> K2 --> f :: (K -> K2) -> nm ::: Name -> t ::: K -> r ::: {K} -> mem nm t r -> mem nm (f t) (map f r)
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7
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8 val proj : nm ::: Name -> t ::: Type -> r ::: {Type} -> mem nm t r -> $r -> t
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9 val replace : nm ::: Name -> t ::: Type -> r ::: {Type} -> mem nm t r -> $r -> t -> $r
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10
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11 val fold : K --> tf :: ({K} -> Type) -> r ::: {K}
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12 -> (nm :: Name -> v :: K -> r' :: {K} -> [[nm] ~ r']
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13 => mem nm v r -> tf r' -> tf ([nm = v] ++ r'))
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14 -> tf []
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15 -> folder r -> tf r
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