From 1882f805d4ba765961267eecec448518202ba0c5 Mon Sep 17 00:00:00 2001
From: Stjepan Glavina <stjepang@gmail.com>
Date: Wed, 27 May 2020 12:26:44 +0200
Subject: [PATCH] More examples

---
 examples/par_sum.rs |  7 ++-----
 src/lib.rs          | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/examples/par_sum.rs b/examples/par_sum.rs
index 99a6821..d662734 100644
--- a/examples/par_sum.rs
+++ b/examples/par_sum.rs
@@ -7,11 +7,8 @@ fn par_sum(v: &[i32]) -> i32 {
         v.iter().copied().sum()
     } else {
         let half = (v.len() + 1) / 2;
-        Parallel::new()
-            .each(v.chunks(half), par_sum)
-            .run()
-            .into_iter()
-            .sum()
+        let sums = Parallel::new().each(v.chunks(half), par_sum).run();
+        sums.into_iter().sum()
     }
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index 483226c..4b2d478 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -35,6 +35,27 @@
 //! squares.sort();
 //! assert_eq!(squares, [100, 400, 900]);
 //! ```
+//!
+//! Compute the sum of numbers in an array:
+//!
+//! ```
+//! use easy_parallel::Parallel;
+//!
+//! fn par_sum(v: &[i32]) -> i32 {
+//!     const THRESHOLD: usize = 2;
+//!
+//!     if v.len() <= THRESHOLD {
+//!         v.iter().copied().sum()
+//!     } else {
+//!         let half = (v.len() + 1) / 2;
+//!         let sums = Parallel::new().each(v.chunks(half), par_sum).run();
+//!         sums.into_iter().sum()
+//!     }
+//! }
+//!
+//! let v = [1, 25, -4, 10, 8];
+//! assert_eq!(par_sum(&v), 40);
+//! ```
 
 #![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]