feat: prototype for timer

src/lib.rs

@@ -1 +1,2 @@
 pub mod alarm;
+pub mod timer;

src/timer.rs

@@ -0,0 +1,41 @@
+#[derive(Debug, PartialEq)]
+pub struct Timer {
+    length: u32,
+    message: Option<String>,
+    vibrate: bool,
+}
+
+impl Timer {
+    pub fn new() -> Timer {
+	Timer {
+	    length: 0,
+	    message: None,
+	    vibrate: false,
+	}
+    }
+
+    pub fn hour(mut self, hour: u32) -> Self {
+	self.length += hour * 3600;
+	self
+    }
+
+    pub fn minutes(mut self, minutes: u32) -> Self {
+	self.length += minutes * 60;
+	self
+    }
+
+    pub fn seconds(mut self, seconds: u32) -> Self {
+	self.length += seconds;
+	self
+    }
+
+    pub fn message(mut self, message: String) -> Self {
+	self.message = Some(message);
+	self
+    }
+
+    pub fn vibrate(mut self, vibrate: bool) -> Self {
+	self.vibrate = vibrate;
+	self
+    }
+}