#[salsa::query_group(HelloWorld)] | |
trait HelloWorldDatabase: salsa::Database { | |
#[salsa::input] | |
fn input(&self, a: u32, b: u32) -> u32; | |
fn none(&self) -> u32; | |
fn one(&self, k: u32) -> u32; | |
fn two(&self, a: u32, b: u32) -> u32; | |
fn trailing(&self, a: u32, b: u32) -> u32; | |
} | |
fn none(_db: &dyn HelloWorldDatabase) -> u32 { | |
22 | |
} | |
fn one(_db: &dyn HelloWorldDatabase, k: u32) -> u32 { | |
k * 2 | |
} | |
fn two(_db: &dyn HelloWorldDatabase, a: u32, b: u32) -> u32 { | |
a * b | |
} | |
fn trailing(_db: &dyn HelloWorldDatabase, a: u32, b: u32) -> u32 { | |
a - b | |
} | |
#[salsa::database(HelloWorld)] | |
#[derive(Default)] | |
struct DatabaseStruct { | |
storage: salsa::Storage<Self>, | |
} | |
impl salsa::Database for DatabaseStruct {} | |
#[test] | |
fn execute() { | |
let mut db = DatabaseStruct::default(); | |
// test what happens with inputs: | |
db.set_input(1, 2, 3); | |
assert_eq!(db.input(1, 2), 3); | |
assert_eq!(db.none(), 22); | |
assert_eq!(db.one(11), 22); | |
assert_eq!(db.two(11, 2), 22); | |
assert_eq!(db.trailing(24, 2), 22); | |
} |