1 files changed, 50 insertions, 0 deletions
diff --git a/src/arm32/flag/mod.rs b/src/arm32/flag/mod.rs
new file mode 100644
index 0000000..33755b7
--- /dev/null
+++ b/src/arm32/flag/mod.rs
@@ -0,0 +1,50 @@
+// Copyright 2024 Gabriel Bjørnager Jensen.
+//
+// This file is part of Pollex.
+//
+// Pollex is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Af-
+// fero General Public License as published by the
+// Free Software Foundation, either version 3 of
+// the License, or (at your option) any later ver-
+// sion.
+//
+// Pollex 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
+// Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Af-
+// fero General Public License along with Pollex.
+// If not, see <https://www.gnu.org/licenses/>.
+
+use core::fmt::Display;
+
+/// A flag.
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+#[repr(u8)]
+pub enum Flag<const C: char> {
+	Off = 0x0,
+	On  = 0x1,
+}
+
+impl<const C: char> Flag<C> {
+	#[inline(always)]
+	#[must_use]
+	pub const fn is_off(self) -> bool { self as u8 == Self::Off as u8 }
+
+	#[inline(always)]
+	#[must_use]
+	pub const fn is_on(self) -> bool { self as u8 == Self::On as u8 }
+}
+
+impl<const C: char> Display for Flag<C> {
+	fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+		if self.is_on() {
+			write!(f, "{C}")?;
+		}
+
+		Ok(())
+	}
+}