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-rw-r--r--aoc2023/build/packages/gleam_stdlib/src/gleam@order.erl79
1 files changed, 79 insertions, 0 deletions
diff --git a/aoc2023/build/packages/gleam_stdlib/src/gleam@order.erl b/aoc2023/build/packages/gleam_stdlib/src/gleam@order.erl
new file mode 100644
index 0000000..61649b9
--- /dev/null
+++ b/aoc2023/build/packages/gleam_stdlib/src/gleam@order.erl
@@ -0,0 +1,79 @@
+-module(gleam@order).
+-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function]).
+
+-export([negate/1, to_int/1, compare/2, max/2, min/2, reverse/1]).
+-export_type([order/0]).
+
+-type order() :: lt | eq | gt.
+
+-spec negate(order()) -> order().
+negate(Order) ->
+ case Order of
+ lt ->
+ gt;
+
+ eq ->
+ eq;
+
+ gt ->
+ lt
+ end.
+
+-spec to_int(order()) -> integer().
+to_int(Order) ->
+ case Order of
+ lt ->
+ -1;
+
+ eq ->
+ 0;
+
+ gt ->
+ 1
+ end.
+
+-spec compare(order(), order()) -> order().
+compare(A, B) ->
+ case {A, B} of
+ {X, Y} when X =:= Y ->
+ eq;
+
+ {lt, _} ->
+ lt;
+
+ {eq, gt} ->
+ lt;
+
+ {_, _} ->
+ gt
+ end.
+
+-spec max(order(), order()) -> order().
+max(A, B) ->
+ case {A, B} of
+ {gt, _} ->
+ gt;
+
+ {eq, lt} ->
+ eq;
+
+ {_, _} ->
+ B
+ end.
+
+-spec min(order(), order()) -> order().
+min(A, B) ->
+ case {A, B} of
+ {lt, _} ->
+ lt;
+
+ {eq, gt} ->
+ eq;
+
+ {_, _} ->
+ B
+ end.
+
+-spec reverse(fun((I, I) -> order())) -> fun((I, I) -> order()).
+reverse(Orderer) ->
+ fun(A, B) -> Orderer(B, A) end.