Add argparse 0.2.2 as a dependency

This patch adds the crate rust-argparse [0] in version 0.2.2 as a
dependency, as discussed in issue #4.

[0]  https://github.com/tailhook/rust-argparse

Import subrepo argparse/:argparse at 0de60a5e6d9ee1a3570d6089afd3ccd6ed7480c5

1 files changed, 22 insertions, 0 deletions

diff --git a/argparse/src/bool.rs b/argparse/src/bool.rs
new file mode 100644
index 0000000..6ada458
--- /dev/null
+++ b/argparse/src/bool.rs
@@ -0,0 +1,22 @@
+use std::cell::RefCell;
+use std::rc::Rc;
+
+use super::action::Action;
+use super::action::TypedAction;
+use super::action::Action::Flag;
+use super::generic::StoreConstAction;
+use super::{StoreTrue, StoreFalse};
+
+
+impl TypedAction<bool> for StoreTrue {
+    fn bind<'x>(&self, cell: Rc<RefCell<&'x mut bool>>) -> Action<'x> {
+        return Flag(Box::new(StoreConstAction { cell: cell, value: true }));
+    }
+}
+
+impl TypedAction<bool> for StoreFalse {
+    fn bind<'x>(&self, cell: Rc<RefCell<&'x mut bool>>) -> Action<'x> {
+        return Flag(Box::new(StoreConstAction { cell: cell, value: false }));
+    }
+}
+