1 files changed, 26 insertions, 0 deletions
diff --git a/crates/typst-library/src/foundations/bool.rs b/crates/typst-library/src/foundations/bool.rs
new file mode 100644
index 00000000..e88c8c6f
--- /dev/null
+++ b/crates/typst-library/src/foundations/bool.rs
@@ -0,0 +1,26 @@
+use ecow::EcoString;
+
+use crate::foundations::{ty, Repr};
+
+/// A type with two states.
+///
+/// The boolean type has two values: `{true}` and `{false}`. It denotes whether
+/// something is active or enabled.
+///
+/// # Example
+/// ```example
+/// #false \
+/// #true \
+/// #(1 < 2)
+/// ```
+#[ty(cast, title = "Boolean")]
+type bool;
+
+impl Repr for bool {
+    fn repr(&self) -> EcoString {
+        match self {
+            true => "true".into(),
+            false => "false".into(),
+        }
+    }
+}