Add payload and encoding accessors for Query

zenoh/src/queryable.rs

@@ -23,7 +23,7 @@ use crate::Id;
 use crate::SessionRef;
 use crate::Undeclarable;
 #[cfg(feature = "unstable")]
-use crate::{query::ReplyKeyExpr, sample::Attachment, sample::builder::SampleBuilder};
+use crate::{query::ReplyKeyExpr, sample::builder::SampleBuilder, sample::Attachment};
 use std::fmt;
 use std::future::Ready;
 use std::ops::Deref;
@@ -97,6 +97,18 @@ impl Query {
         self.inner.value.as_ref()
     }
 
+    /// This Query's payload.
+    #[inline(always)]
+    pub fn payload(&self) -> Option<&Payload> {
+        self.inner.value.as_ref().map(|v| &v.payload)
+    }
+
+    /// This Query's encoding.
+    #[inline(always)]
+    pub fn encoding(&self) -> Option<&Encoding> {
+        self.inner.value.as_ref().map(|v| &v.encoding)
+    }
+
     #[zenoh_macros::unstable]
     pub fn attachment(&self) -> Option<&Attachment> {
         self.inner.attachment.as_ref()