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Fixed type pretty-printing in Levy #34

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Fixed type pretty-printing in Levy #34

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2 changes: 1 addition & 1 deletion src/levy/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ function. You can load it and try it as follows:
val a : int = 5
val b : int = 15
val c : U (F int) = <thunk>
val fact : U int -> F int = <thunk>
val fact : U (int -> F int) = <thunk>
return (5040) : F int
levy -- programming languages zoo
Type Ctrl-D to exit
6 changes: 3 additions & 3 deletions src/levy/type_check.ml
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Expand Up @@ -27,10 +27,10 @@ and print_ctype ?max_level cty ppf =
"F@ %t"
(print_vtype ~max_level:1 vty)
| CArrow (vty, cty) ->
Zoo.print_parens ?max_level ~at_level:1 ppf
Zoo.print_parens ?max_level ~at_level:3 ppf
"%t@ ->@ %t"
(print_vtype ~max_level:1 vty)
(print_ctype ~max_level:2 cty)
(print_vtype ~max_level:2 vty)
(print_ctype ~max_level:3 cty)

let rec as_ctype {Zoo.data=ty; loc} =
match ty with
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