1 files changed, 29 insertions, 0 deletions
diff --git a/aoc2017-gleam/src/aoc_2017/day_12.gleam b/aoc2017-gleam/src/aoc_2017/day_12.gleam
new file mode 100644
index 0000000..87747d0
--- /dev/null
+++ b/aoc2017-gleam/src/aoc_2017/day_12.gleam
@@ -0,0 +1,29 @@
+import gleam/dict.{type Dict}
+import gleam/int
+import gleam/list
+import gleam/result
+import gleam/string
+
+type Pipes =
+  Dict(Int, List(Int))
+
+pub fn parse(input: String) -> Pipes {
+  {
+    use row <- list.map(string.split(input, "\n"))
+    let assert Ok(#(from, to)) = string.split_once(row, " <-> ")
+
+    let assert Ok(from) = int.parse(from)
+    let to = to |> string.split(", ") |> list.map(int.parse) |> result.values
+
+    #(from, to)
+  }
+  |> dict.from_list
+}
+
+pub fn pt_1(input: Pipes) {
+  input
+}
+
+pub fn pt_2(input: Pipes) {
+  todo as "part 2 not implemented"
+}