Initial public release of Warp.

Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b

crates/markdown_parser/src/weight.rs

@@ -0,0 +1,37 @@
+use enum_iterator::Sequence;
+
+/// All [`Weight`]s that are not [`Weight::Normal`] are considered custom weights.
+/// Avoid importing `CustomWeight`, and prefer using [`Weight`] throughout the codebase,
+/// except in cases where you want to specifically track explicit weight overrides.
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq, Sequence)]
+pub enum CustomWeight {
+    Thin,
+    ExtraLight,
+    Light,
+    Medium,
+    Semibold,
+    Bold,
+    ExtraBold,
+    Black,
+}
+
+impl CustomWeight {
+    /// Returns true if the weight is bold or heavier.
+    pub fn is_at_least_bold(&self) -> bool {
+        matches!(
+            self,
+            CustomWeight::Bold | CustomWeight::ExtraBold | CustomWeight::Black
+        )
+    }
+
+    /// We do not support nested weights at this time! The outer weight will
+    /// be the only respected weight.
+    pub fn merge_weights(
+        first: Option<CustomWeight>,
+        second: Option<CustomWeight>,
+    ) -> Option<CustomWeight> {
+        // We don't currently support text containing text of varying weights.
+        // We will just respect the outer weight if you specify a non-Normal weight.
+        first.or(second)
+    }
+}