From 8752700fbb30e89ee68adbce24489ae9a24d33a9 Mon Sep 17 00:00:00 2001
From: Kevin K <kbknapp@gmail.com>
Date: Tue, 14 Apr 2015 12:06:15 -0400
Subject: [PATCH] feat(macros): add convenience macro to get a typed value

---
 src/macros.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/macros.rs b/src/macros.rs
index f549c6f3fae..7c987eb969f 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -27,4 +27,20 @@ macro_rules! for_match {
 			}
 		}
 	};
+}
+
+/// Convenience macro getting a typed value
+#[macro_export]
+macro_rules! value_t {
+	($m:ident.value_of($v:expr), $t:ty) => {
+		match $m.value_of($v) {
+			Some(v) => {
+				match v.parse::<$t>() {
+					Ok(val) => Ok(val),
+					Err(_)  => Err(format!("{} isn't a valid {}",v,stringify!($t))),
+				}
+			},
+			None => Err(format!("Argument not found"))
+		}
+	};
 }
\ No newline at end of file