day 1 improvements

2 files changed, 6 insertions, 6 deletions

diff --git a/aoc2023/adglent_cheatsheet.md b/aoc2023/adglent_cheatsheet.md
new file mode 100644
index 0000000..4061e1b
--- /dev/null
+++ b/aoc2023/adglent_cheatsheet.md
@@ -0,0 +1,3 @@
+Set up a solution: `gleam run -m adglent/day <n>`
+Check against examples: `gleam test -- --modules=day<n>/day<n>_test`
+Get final answer: `gleam run -m day<n>/solve <p>`
\ No newline at end of file
diff --git a/aoc2023/src/day1/solve.gleam b/aoc2023/src/day1/solve.gleam
index b9a6588..29322ce 100644
--- a/aoc2023/src/day1/solve.gleam
+++ b/aoc2023/src/day1/solve.gleam
@@ -3,7 +3,6 @@ import gleam/io
 import gleam/list
 import gleam/string
 import gleam/regex.{type Match, Match}
-import gleam/result
 import gleam/int
 
 fn parse_digits(input: String) {
@@ -11,21 +10,19 @@ fn parse_digits(input: String) {
 
   input
   |> string.split("\n")
-  |> list.map(fn(s) {
+  |> list.fold(0, fn(acc, s) {
     let matches = regex.scan(s, with: re)
 
     let assert Ok(Match(content: first, ..)) = list.first(matches)
     let assert Ok(Match(content: last, ..)) = list.last(matches)
-
-    int.parse(first <> last)
+    let assert Ok(i) = int.parse(first <> last)
+    acc + i
   })
 }
 
 pub fn part1(input: String) {
   input
   |> parse_digits
-  |> result.values
-  |> int.sum
   |> string.inspect
 }