From 41e2f2fc58f42929b882ef75acf3e7229452219d Mon Sep 17 00:00:00 2001
From: Pedro Correa <pedro8correa@gmail.com>
Date: Tue, 18 Nov 2025 21:57:51 -0300
Subject: [PATCH] :sparkles: using stream to read file

---
 src/day_07.gleam | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/day_07.gleam b/src/day_07.gleam
index f07f9b9..54d2d93 100644
--- a/src/day_07.gleam
+++ b/src/day_07.gleam
@@ -1,3 +1,4 @@
+import file_streams/file_stream.{type FileStream}
 import gleam/bool
 import gleam/int
 import gleam/list
@@ -111,3 +112,25 @@ pub fn filter_valid_calibration_v2(
     validate_calibration_v2(numbers_to_operate, target, 0, False)
   })
 }
+
+fn rec_read_stream(
+  stream: FileStream,
+  acc: List(Calibration),
+) -> List(Calibration) {
+  case file_stream.read_line(stream) {
+    Ok(line) -> {
+      let parsed_line =
+        line
+        |> string.trim_end
+        |> parse_line
+
+      rec_read_stream(stream, [parsed_line, ..acc])
+    }
+    Error(_) -> acc
+  }
+}
+
+pub fn read_stream_file_into_string(input: FileStream) -> List(Calibration) {
+  input
+  |> rec_read_stream([])
+}
-- 
2.51.2