1 files changed, 22 insertions, 0 deletions
diff --git a/arg_picker/src/builtin/pick_bool.rs b/arg_picker/src/builtin/pick_bool.rs
new file mode 100644
index 0000000..ccc4424
--- /dev/null
+++ b/arg_picker/src/builtin/pick_bool.rs
@@ -0,0 +1,22 @@
+use crate::parselib::{FlagMatcher, Matcher};
+use crate::pickable_needed::*;
+
+impl<'a> Pickable<'a> for bool {
+    fn get_attr(_: &'a PickerArg<'a, Self>) -> PickerArgAttr {
+        PickerArgAttr::Flag
+    }
+
+    fn tag(ctx: TagPhaseContext) -> Vec<usize> {
+        FlagMatcher::match_all(ctx.into())
+    }
+
+    fn pick(raw_strs: &[&str]) -> PickerArgResult<Self> {
+        if raw_strs.is_empty() {
+            // No matching flag found — signal NotFound so the fallback chain
+            // (default → route) gets a chance to run.
+            PickerArgResult::NotFound
+        } else {
+            PickerArgResult::Parsed(true)
+        }
+    }
+}