From dc7bed5b2d46f87993bde81e9e9ef96ee545f520 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sun, 12 Jul 2020 14:42:13 +0800
Subject: [PATCH] feat(single-file-tests): add format sample

---
 single_file_tests/format.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/single_file_tests/format.rs b/single_file_tests/format.rs
index b21c3e9..a3b76c9 100644
--- a/single_file_tests/format.rs
+++ b/single_file_tests/format.rs
@@ -1,4 +1,6 @@
 
+// format:
+// { [argument] ':' [[fill] align] [sign] ['#'] [width [$]] ['.' precision [$]] [type] }
 fn main() {
     let a = 1111111;
 
@@ -8,4 +10,8 @@ fn main() {
     println!("octet: {:o}", a);
     println!("0x{:x}", a);
     println!("0x{:X}", a);
+
+    println!("{0} {1}", "AA", "BB");
+    println!("{a} {b}", a = "AA", b = "BB");
+    println!("[{a:^6}] [{b:<6}] [{b:>6}] [{c:<10.3}]", a = "AA", b = "BB", c = 111.1);
 }
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