summaryrefslogtreecommitdiff
path: root/meap/meap-code/ch3/ch3-anystring-macro.rs
diff options
context:
space:
mode:
authorAdam Carpenter <gitlab@53hor.net>2019-07-09 15:14:04 -0400
committerAdam Carpenter <gitlab@53hor.net>2019-07-09 15:14:04 -0400
commit7e8ee5ed9cad6484e9f13f81731b102ced58402e (patch)
tree5395402ab07bbb5a659dbd68c701e22a1227202f /meap/meap-code/ch3/ch3-anystring-macro.rs
downloadlearning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.tar.xz
learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.zip
Init.
Diffstat (limited to 'meap/meap-code/ch3/ch3-anystring-macro.rs')
-rwxr-xr-xmeap/meap-code/ch3/ch3-anystring-macro.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/meap/meap-code/ch3/ch3-anystring-macro.rs b/meap/meap-code/ch3/ch3-anystring-macro.rs
new file mode 100755
index 0000000..7500e95
--- /dev/null
+++ b/meap/meap-code/ch3/ch3-anystring-macro.rs
@@ -0,0 +1,10 @@
+macro_rules! string {
+ ($x:expr) => ( // <1>
+ String::from(stringify!($x)); // <2>
+ )
+}
+
+fn main() {
+ let s = string!(hello there);
+ println!("{}", s);
+} \ No newline at end of file