feat(single-file-tests): add format sample

2020-07-12 14:42:13 +08:00
parent 1a2df8c4e7
commit dc7bed5b2d
1 changed files with 6 additions and 0 deletions
--- 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);
 }