Improve examples.

This commit is contained in:
Stephen Chung 2022-02-10 12:54:30 +08:00
parent d1a97be9e3
commit 775bd6fb35
3 changed files with 71 additions and 36 deletions

View File

@ -1,29 +1,41 @@
use rhai::{Engine, EvalAltResult}; use rhai::{Engine, EvalAltResult};
#[cfg(not(feature = "no_index"))]
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
struct TestStruct { struct TestStruct {
x: i64, x: i64,
} }
impl TestStruct { impl TestStruct {
pub fn update(&mut self) {
self.x += 1000;
}
pub fn new() -> Self { pub fn new() -> Self {
Self { x: 1 } Self { x: 1 }
} }
pub fn update(&mut self) {
self.x += 1000;
}
} }
#[cfg(not(feature = "no_index"))]
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new(); let mut engine = Engine::new();
engine engine
.register_type::<TestStruct>() .register_type_with_name::<TestStruct>("TestStruct")
.register_fn("new_ts", TestStruct::new) .register_fn("new_ts", TestStruct::new)
.register_fn("update", TestStruct::update); .register_fn("update", TestStruct::update);
#[cfg(feature = "metadata")]
{
println!("Functions registered:");
engine
.gen_fn_signatures(false)
.into_iter()
.for_each(|func| println!("{}", func));
println!();
}
let result = engine.eval::<TestStruct>( let result = engine.eval::<TestStruct>(
" "
let x = new_ts(); let x = new_ts();

View File

@ -1,38 +1,61 @@
use rhai::{Engine, EvalAltResult}; use rhai::{Engine, EvalAltResult};
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
struct TestStruct { struct TestStruct {
x: i64, x: i64,
} }
impl TestStruct { impl TestStruct {
pub fn update(&mut self) {
self.x += 1000;
}
pub fn new() -> Self { pub fn new() -> Self {
Self { x: 1 } Self { x: 1 }
} }
pub fn update(&mut self) {
self.x += 1000;
}
pub fn calculate(&mut self, data: i64) -> i64 {
self.x * data
}
pub fn get_x(&mut self) -> i64 {
self.x
}
pub fn set_x(&mut self, value: i64) {
self.x = value;
}
} }
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new(); let mut engine = Engine::new();
engine engine
.register_type::<TestStruct>() .register_type_with_name::<TestStruct>("TestStruct")
.register_fn("new_ts", TestStruct::new) .register_fn("new_ts", TestStruct::new)
.register_fn("update", TestStruct::update); .register_fn("update", TestStruct::update)
.register_fn("calc", TestStruct::calculate)
.register_get_set("x", TestStruct::get_x, TestStruct::set_x);
let result = engine.eval::<TestStruct>( #[cfg(feature = "metadata")]
{
println!("Functions registered:");
engine
.gen_fn_signatures(false)
.into_iter()
.for_each(|func| println!("{}", func));
println!();
}
let result = engine.eval::<i64>(
" "
let x = new_ts(); let x = new_ts();
x.x = 42;
x.update(); x.update();
x x.calc(x.x)
", ",
)?; )?;
println!("result: {}", result.x); // prints 1001 println!("result: {}", result); // prints 1085764
Ok(()) Ok(())
} }

View File

@ -7,7 +7,7 @@ fn main() -> Result<(), Box<EvalAltResult>> {
let result = engine.eval::<i64>("40 + 2")?; let result = engine.eval::<i64>("40 + 2")?;
println!("Answer: {}", result); // prints 42 println!("The Answer: {}", result); // prints 42
Ok(()) Ok(())
} }