From 6dc2f6f616dea520a6b6c52aec5a7308928d7d5b Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Mon, 6 Mar 2023 23:18:13 +0000
Subject: feat: core features

---
 src/notes.rs | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/notes.rs

(limited to 'src/notes.rs')

diff --git a/src/notes.rs b/src/notes.rs
new file mode 100644
index 0000000..7390dcc
--- /dev/null
+++ b/src/notes.rs
@@ -0,0 +1,37 @@
+// This file is part of Guitar <https://github.com/Fuwn/guitar>.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (C) 2022-2022 Fuwn <contact@fuwn.me>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::collections::HashMap;
+
+use once_cell::sync::Lazy;
+
+pub const NOTES: [&str; 12] = [
+  "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B",
+];
+
+pub static NOTES_OFFSET: Lazy<HashMap<String, i8>> = Lazy::new(|| {
+  let mut notes = HashMap::new();
+  let mut i = -9;
+
+  for note in NOTES {
+    notes.insert(note.to_string(), i);
+
+    i += 1;
+  }
+
+  notes
+});
-- 
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