diff options
Diffstat (limited to 'src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string')
3 files changed, 21 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.lock b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.lock new file mode 100644 index 000000000..2aa4918e5 --- /dev/null +++ b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "ownership" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.toml b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.toml new file mode 100644 index 000000000..e8847526d --- /dev/null +++ b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "ownership" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/src/main.rs b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/src/main.rs new file mode 100644 index 000000000..b68f0f1e7 --- /dev/null +++ b/src/doc/book/listings/ch04-understanding-ownership/no-listing-01-can-mutate-string/src/main.rs @@ -0,0 +1,9 @@ +fn main() { + // ANCHOR: here + let mut s = String::from("hello"); + + s.push_str(", world!"); // push_str() appends a literal to a String + + println!("{}", s); // This will print `hello, world!` + // ANCHOR_END: here +} |