message: Document the bit-or operator
  Summary: Nice to have doc tests.
diff: @@ -627,6 +627,15 @@ pub trait StarlarkValue<'v>: 'v + AnyLifetime<'v> + Debug + Display {
  }
  /// Bitwise `|` operator.
  + ///
  + /// # Examples
  + ///
  + /// ```rust
  + /// # starlark::assert::all_true(r#"
  + /// 0xb00f | 0x0ee0 == 0xbeef
  + /// 4 | 7 == 7
  + /// # "#);
  + /// ```
  fn bit_or(&self, other: Value<'v>) -> anyhow::Result<Value<'v>> {
  ValueError::unsupported_with(self, "|", other)
  }
  