diff options
Diffstat (limited to 'src/doc/book/listings/ch08-common-collections/listing-08-06')
4 files changed, 39 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.lock b/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.lock new file mode 100644 index 000000000..d3daeff7d --- /dev/null +++ b/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "collections" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.toml b/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.toml new file mode 100644 index 000000000..fe4959823 --- /dev/null +++ b/src/doc/book/listings/ch08-common-collections/listing-08-06/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "collections" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-06/output.txt b/src/doc/book/listings/ch08-common-collections/listing-08-06/output.txt new file mode 100644 index 000000000..ab512a9e6 --- /dev/null +++ b/src/doc/book/listings/ch08-common-collections/listing-08-06/output.txt @@ -0,0 +1,16 @@ +$ cargo run + Compiling collections v0.1.0 (file:///projects/collections) +error[E0502]: cannot borrow `v` as mutable because it is also borrowed as immutable + --> src/main.rs:6:5 + | +4 | let first = &v[0]; + | - immutable borrow occurs here +5 | +6 | v.push(6); + | ^^^^^^^^^ mutable borrow occurs here +7 | +8 | println!("The first element is: {}", first); + | ----- immutable borrow later used here + +For more information about this error, try `rustc --explain E0502`. +error: could not compile `collections` due to previous error diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs b/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs new file mode 100644 index 000000000..1b42274a6 --- /dev/null +++ b/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs @@ -0,0 +1,11 @@ +fn main() { + // ANCHOR: here + let mut v = vec![1, 2, 3, 4, 5]; + + let first = &v[0]; + + v.push(6); + + println!("The first element is: {}", first); + // ANCHOR_END: here +} |