query: Add pipe! macro

Author: ohsayan

src/macros.rs

@@ -44,3 +44,20 @@ macro_rules! pushlen {
         $buf.push(b'\n');
     }};
 }
+
+#[macro_export]
+/// The `pipe!` macro is used to create pipelines
+///
+/// ## Example usage
+/// ```
+/// use skytable::{pipe, query};
+///
+/// let pipe = pipe!(query!("sysctl report status"), query!("use $current"));
+/// assert_eq!(pipe.query_count(), 2);
+/// ```
+macro_rules! pipe {
+    ($($query:expr),+) => {{
+        let mut p = $crate::Pipeline::new();
+        $(p.push_owned($query);)*p
+    }}
+}

src/query.rs

@@ -153,6 +153,10 @@ impl Pipeline {
     pub fn query_count(&self) -> usize {
         self.cnt
     }
+    /// Same as [`Self::push`], but passes ownership to the [`Pipeline`]
+    pub fn push_owned(&mut self, q: Query) {
+        self.push(&q);
+    }
     /// Add a query to this pipeline
     ///
     /// Note: It's not possible to get the query back from the pipeline since it's not indexed (and doing so would be an unnecessary