tweaks to metrics/

metrics/Cargo.toml

@@ -22,7 +22,7 @@ opt-level = 3
 lto = true
 
 [dependencies]
-metrics-core = "^0.2"
+metrics-core = { path = "../metrics-core", version = "^0.2" }
 crossbeam-channel = "^0.3"
 parking_lot = "^0.7"
 fnv = "^1.0"

metrics/src/sink.rs

@@ -97,9 +97,9 @@ impl Sink {
         )
     }
 
-    /// Reference to the internal high-speed clock interface.
-    pub fn clock(&self) -> &Clock {
-        &self.clock
+    /// Gets the current time, in nanoseconds, from the internal high-speed clock.
+    pub fn now(&self) -> u64 {
+        self.clock.now()
     }
 
     /// Records the count for a given metric.