From 3778352d3900d053aa1693ea1c71459670fdf62d Mon Sep 17 00:00:00 2001
From: losfair <zhy20000919@hotmail.com>
Date: Tue, 8 Oct 2019 23:01:03 +0800
Subject: [PATCH] Update a few examples.

---
 Cargo.lock                          | 4 ++++
 Cargo.toml                          | 3 ++-
 examples/hello_world/Cargo.toml     | 9 +++++++++
 examples/hello_world/src/main.rs    | 7 +++++++
 examples/iterative_hash/src/main.rs | 2 +-
 5 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 examples/hello_world/Cargo.toml
 create mode 100644 examples/hello_world/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 5f15df164..b1b20a08f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -610,6 +610,10 @@ dependencies = [
  "unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hello_world"
+version = "0.1.0"
+
 [[package]]
 name = "hex"
 version = "0.3.2"
diff --git a/Cargo.toml b/Cargo.toml
index bbd596087..dd5b48b6a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,8 @@ members = [
     "lib/wasi-tests",
     "lib/emscripten-tests",
     "lib/middleware-common-tests",
-    "examples/plugin-for-example"
+    "examples/plugin-for-example",
+    "examples/hello_world"
 ]
 
 [build-dependencies]
diff --git a/examples/hello_world/Cargo.toml b/examples/hello_world/Cargo.toml
new file mode 100644
index 000000000..a71d719ed
--- /dev/null
+++ b/examples/hello_world/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "hello_world"
+version = "0.1.0"
+authors = ["losfair <zhy20000919@hotmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/examples/hello_world/src/main.rs b/examples/hello_world/src/main.rs
new file mode 100644
index 000000000..ca24b9cea
--- /dev/null
+++ b/examples/hello_world/src/main.rs
@@ -0,0 +1,7 @@
+fn main() {
+    for i in 0..8 {
+        let s = format!("Hello, {}", i);
+        println!("{}", s);
+    }
+    panic!("OK");
+}
diff --git a/examples/iterative_hash/src/main.rs b/examples/iterative_hash/src/main.rs
index 043bc02a1..66ed10405 100644
--- a/examples/iterative_hash/src/main.rs
+++ b/examples/iterative_hash/src/main.rs
@@ -20,7 +20,7 @@ fn main() {
             let diff = millis - last_millis;
             if diff >= 100 {
                 record_count += 1;
-                println!("{}", (i - round_count) as f64 / diff as f64);
+                println!("{}", ((i - round_count) as u128) * 1000000 / diff );
                 last_millis = millis;
                 round_count = i;
             }