amend formatting
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20
rope.sml
20
rope.sml
@@ -86,16 +86,16 @@ structure Rope :> ROPE = struct
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fun ins_n1 rope =
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fun ins_n1 rope =
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case rope of
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case rope of
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L2 (s1, s2) =>
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L2 (s1, s2) =>
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N2(N0 s1, String.size s1, N0 s2)
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N2(N0 s1, String.size s1, N0 s2)
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| N3(t1, t2, t3) =>
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| N3(t1, t2, t3) =>
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let
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let
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val left = N2(t1, size t1, t2)
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val left = N2(t1, size t1, t2)
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in
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in
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N2(left, size left, N1 t3)
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N2(left, size left, N1 t3)
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end
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end
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| t =>
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| t =>
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N1 t
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N1 t
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fun ins_n2_left (left, right) =
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fun ins_n2_left (left, right) =
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case (left, right) of
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case (left, right) of
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