Merge #860: Implement Default for SpinLock<SelfContainedContext>

3216efd Implement Default for SpinLock<SelfContainedContext> (Tobin C. Harding)

Pull request description:

  This is a bit silly since we cannot implement `Default` for `SpinLock<u64>` but clippy is complaining so throw it in.


ACKs for top commit:
  apoelstra:
    ACK 3216efd; successfully ran local tests; sure


Tree-SHA512: e3786d80eaea60a4f547145fd76c77966fbbc68b7b111044e6db38f76ba1700baea6924a282b52cb86a16829489f119e279c0b4abaf145cb00bc8cc6b5ae5b11

Author: apoelstra

src/context/spinlock.rs

@@ -43,6 +43,10 @@ impl SpinLock<SelfContainedContext> {
     }
 }
 
+impl Default for SpinLock<SelfContainedContext> {
+    fn default() -> Self { Self::new() }
+}
+
 #[cfg(test)]
 impl SpinLock<u64> {
     pub const fn new(v: u64) -> Self {