Initial commit for fern

src/shellenv/meta.rs

@@ -0,0 +1,18 @@
+#[derive(Clone,Debug)]
+pub struct MetaTab {
+	last_status: i32
+}
+
+impl MetaTab {
+	pub fn new() -> Self {
+		Self {
+			last_status: 0
+		}
+	}
+	pub fn set_status(&mut self, code: i32) {
+		self.last_status = code
+	}
+	pub fn last_status(&self) -> i32 {
+		self.last_status
+	}
+}