CanShift Dim
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@ -61,6 +61,11 @@ prettyDSubst th =
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export FromVar Dim where fromVar = B
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export
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CanShift Dim where
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K e // _ = K e
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B i // by = B (i // by)
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export
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CanSubst Dim Dim where
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K e // _ = K e
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