diff options
Diffstat (limited to '')
3 files changed, 43 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.lock b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.lock new file mode 100644 index 000000000..f62e8ac45 --- /dev/null +++ b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "enums" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.toml b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.toml new file mode 100644 index 000000000..e959295f9 --- /dev/null +++ b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "enums" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/src/main.rs b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/src/main.rs new file mode 100644 index 000000000..a4d500c11 --- /dev/null +++ b/src/doc/book/listings/ch06-enums-and-pattern-matching/no-listing-09-variable-in-pattern/src/main.rs @@ -0,0 +1,31 @@ +#[derive(Debug)] +enum UsState { + Alabama, + Alaska, + // --snip-- +} + +enum Coin { + Penny, + Nickel, + Dime, + Quarter(UsState), +} + +// ANCHOR: here +fn value_in_cents(coin: Coin) -> u8 { + match coin { + Coin::Penny => 1, + Coin::Nickel => 5, + Coin::Dime => 10, + Coin::Quarter(state) => { + println!("State quarter from {:?}!", state); + 25 + } + } +} +// ANCHOR_END: here + +fn main() { + value_in_cents(Coin::Quarter(UsState::Alaska)); +} |