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Diffstat (limited to 'src/doc/book/listings/ch19-advanced-features/listing-19-08')
3 files changed, 21 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.lock b/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.lock new file mode 100644 index 000000000..497817bf2 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "unsafe-example" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.toml b/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.toml new file mode 100644 index 000000000..3e8a29201 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-08/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "unsafe-example" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs b/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs new file mode 100644 index 000000000..8b56630c9 --- /dev/null +++ b/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs @@ -0,0 +1,9 @@ +extern "C" { + fn abs(input: i32) -> i32; +} + +fn main() { + unsafe { + println!("Absolute value of -3 according to C: {}", abs(-3)); + } +} |