summaryrefslogtreecommitdiff
path: root/meap/meap-code/ch3/ch3-string-macro.rs
diff options
context:
space:
mode:
Diffstat (limited to 'meap/meap-code/ch3/ch3-string-macro.rs')
-rw-r--r--meap/meap-code/ch3/ch3-string-macro.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/meap/meap-code/ch3/ch3-string-macro.rs b/meap/meap-code/ch3/ch3-string-macro.rs
new file mode 100644
index 0000000..bc68c58
--- /dev/null
+++ b/meap/meap-code/ch3/ch3-string-macro.rs
@@ -0,0 +1,10 @@
+macro_rules! string {
+ ($x:expr) => (
+ String::from($x);
+ )
+}
+
+fn main() {
+ let s = string!("hello");
+ println!("{}", s);
+} \ No newline at end of file