29 lines
487 B
Text
29 lines
487 B
Text
--
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constant f : num → num
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constant g : num → num → num
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constant h : num → num → num
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reserve infixl `+`:65
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reserve infixr `&`:70
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reserve infixl `-`:65
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reserve prefix `-`:100
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local infixl `+` := g
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local infixl `-` := h
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local prefix `-` := f
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local infixr `&` := h
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set_option pp.notation false
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#check -(1:num) + 2
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#check 1 & 2 & 3 & 4
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#check (1:num) - 2 - 3 - 4
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infixr `~~`:60 := h
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infixl `!!`:60 := h
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#check 1 ~~ 2 ~~ 3 ~~ 4
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#check 1 !! 2 !! 3 !! 4
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#check 1 ~~ 2 + 3 ~~ 4
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