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Added toggle function to preamble functor #6

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Added toggle function to preamble functor #6

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e9e345b
added show to preamble functor
T-Brick Feb 22, 2022
acd5bbd
made conditional preamble functor
T-Brick Mar 5, 2022
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18 changes: 18 additions & 0 deletions src/ConditionalPreamble.fun
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
functor ConditionalPreamble (
structure Grader : GRADER
val show : Grader.Rubric.t -> string option
) =
struct
open Grader

structure Rubric =
struct
open Rubric
val separator = String.implode (List.tabulate (80, fn _ => #"="))
val toString = fn rubric => (
case show rubric of
NONE => ""
| SOME preamble => preamble ^ "\n" ^ separator ^ "\n"
) ^ toString rubric
end
end
16 changes: 4 additions & 12 deletions src/Preamble.fun
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Original file line number Diff line number Diff line change
@@ -1,15 +1,7 @@
functor Preamble (
val preamble : string
structure Grader : GRADER
) =
struct
open Grader

structure Rubric =
struct
open Rubric
val separator = String.implode (List.tabulate (80, fn _ => #"="))
val toString = fn rubric =>
preamble ^ "\n" ^ separator ^ "\n" ^ toString rubric
end
end
) = ConditionalPreamble (
structure Grader = Grader
val show : Grader.Rubric.t -> string option = Fn.const (SOME preamble)
)
2 changes: 2 additions & 0 deletions src/sources.cm
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ Library
functor EquivGraderBucketList
functor EquivGraderList

functor ConditionalPreamble
functor Preamble

structure FormatUtil
Expand Down Expand Up @@ -49,6 +50,7 @@ is
EquivGraderBucket.fun
EquivGrader.fun

ConditionalPreamble.fun
Preamble.fun

FormatUtil.sml