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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
| commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
| tree | 173a775858bd501c378080a10dca74132f05bc50 /src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values | |
| parent | Initial commit. (diff) | |
| download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip | |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values')
4 files changed, 35 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.lock b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.lock new file mode 100644 index 000000000..88287d136 --- /dev/null +++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "functions" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.toml b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.toml new file mode 100644 index 000000000..478b346fd --- /dev/null +++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "functions" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt new file mode 100644 index 000000000..c0484ea1b --- /dev/null +++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/output.txt @@ -0,0 +1,14 @@ +$ cargo run + Compiling functions v0.1.0 (file:///projects/functions) +error[E0308]: mismatched types + --> src/main.rs:7:24 + | +7 | fn plus_one(x: i32) -> i32 { + | -------- ^^^ expected `i32`, found `()` + | | + | implicitly returns `()` as its body has no tail or `return` expression +8 | x + 1; + | - help: remove this semicolon + +For more information about this error, try `rustc --explain E0308`. +error: could not compile `functions` due to previous error diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/src/main.rs b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/src/main.rs new file mode 100644 index 000000000..1cec800b6 --- /dev/null +++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-23-statements-dont-return-values/src/main.rs @@ -0,0 +1,9 @@ +fn main() { + let x = plus_one(5); + + println!("The value of x is: {x}"); +} + +fn plus_one(x: i32) -> i32 { + x + 1; +} |