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-rw-r--r--src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.lock6
-rw-r--r--src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.toml6
-rw-r--r--src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/output.txt7
-rw-r--r--src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/src/main.rs9
4 files changed, 28 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.lock b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.lock
new file mode 100644
index 000000000..2b4fa2903
--- /dev/null
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "patterns"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.toml b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.toml
new file mode 100644
index 000000000..82fe057bb
--- /dev/null
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "patterns"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/output.txt b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/output.txt
new file mode 100644
index 000000000..02fdecbf5
--- /dev/null
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/output.txt
@@ -0,0 +1,7 @@
+$ cargo run
+ Compiling patterns v0.1.0 (file:///projects/patterns)
+ Finished dev [unoptimized + debuginfo] target(s) in 0.52s
+ Running `target/debug/patterns`
+a is at index 0
+b is at index 1
+c is at index 2
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/src/main.rs b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/src/main.rs
new file mode 100644
index 000000000..eb922d62c
--- /dev/null
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/src/main.rs
@@ -0,0 +1,9 @@
+fn main() {
+ // ANCHOR: here
+ let v = vec!['a', 'b', 'c'];
+
+ for (index, value) in v.iter().enumerate() {
+ println!("{} is at index {}", value, index);
+ }
+ // ANCHOR_END: here
+}