Refine examples.
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54e26059dc
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@ -9,7 +9,6 @@ impl TestStruct {
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pub fn update(&mut self) {
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pub fn update(&mut self) {
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self.x += 1000;
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self.x += 1000;
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}
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}
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pub fn new() -> Self {
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pub fn new() -> Self {
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Self { x: 1 }
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Self { x: 1 }
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}
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}
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@ -25,17 +24,30 @@ fn main() -> Result<(), Box<EvalAltResult>> {
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.register_fn("new_ts", TestStruct::new)
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.register_fn("new_ts", TestStruct::new)
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.register_fn("update", TestStruct::update);
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.register_fn("update", TestStruct::update);
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println!(
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let result = engine.eval::<TestStruct>(
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"{:?}",
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r"
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engine.eval::<TestStruct>("let x = new_ts(); x.update(); x")?
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let x = new_ts();
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);
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x.update();
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println!(
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x
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"{:?}",
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",
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engine.eval::<TestStruct>("let x = [new_ts()]; x[0].update(); x[0]")?
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)?;
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);
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println!("{:?}", result);
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let result = engine.eval::<TestStruct>(
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r"
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let x = [ new_ts() ];
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x[0].update();
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x[0]
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",
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)?;
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println!("{:?}", result);
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Ok(())
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Ok(())
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}
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}
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#[cfg(any(feature = "no_index", feature = "no_object"))]
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#[cfg(any(feature = "no_index", feature = "no_object"))]
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fn main() {}
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fn main() {
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panic!("This example does not run under 'no_index' or 'no_object'.")
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}
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@ -24,7 +24,13 @@ fn main() -> Result<(), Box<EvalAltResult>> {
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.register_fn("new_ts", TestStruct::new)
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.register_fn("new_ts", TestStruct::new)
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.register_fn("update", TestStruct::update);
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.register_fn("update", TestStruct::update);
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let result = engine.eval::<TestStruct>("let x = new_ts(); x.update(); x")?;
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let result = engine.eval::<TestStruct>(
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r"
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let x = new_ts();
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x.update();
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x
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",
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)?;
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println!("result: {}", result.x); // prints 1001
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println!("result: {}", result.x); // prints 1001
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@ -32,4 +38,6 @@ fn main() -> Result<(), Box<EvalAltResult>> {
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}
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}
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#[cfg(feature = "no_object")]
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#[cfg(feature = "no_object")]
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fn main() {}
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fn main() {
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panic!("This example does not run under 'no_object'.");
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}
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@ -3,6 +3,8 @@ use rhai::{Engine, EvalAltResult, INT};
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fn main() -> Result<(), Box<EvalAltResult>> {
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fn main() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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let engine = Engine::new();
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engine.consume(r#"print("hello, world!")"#)?;
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let result = engine.eval::<INT>("40 + 2")?;
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let result = engine.eval::<INT>("40 + 2")?;
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println!("Answer: {}", result); // prints 42
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println!("Answer: {}", result); // prints 42
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@ -6,9 +6,15 @@ fn main() -> Result<(), Box<EvalAltResult>> {
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engine.eval_with_scope::<()>(&mut scope, "let x = 4 + 5")?;
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engine.eval_with_scope::<()>(&mut scope, "let x = 4 + 5")?;
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let result = engine.eval_with_scope::<INT>(&mut scope, "x")?;
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println!("x = {}", scope.get_value::<INT>("x").unwrap());
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println!("result: {}", result);
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for _ in 0..10 {
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let result = engine.eval_with_scope::<INT>(&mut scope, "x += 1; x")?;
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println!("result: {}", result);
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}
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println!("x = {}", scope.get_value::<INT>("x").unwrap());
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Ok(())
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Ok(())
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}
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}
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@ -1,6 +1,6 @@
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#[cfg(not(feature = "serde"))]
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#[cfg(not(feature = "serde"))]
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fn main() {
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fn main() {
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println!(r#"This example requires the "serde" feature which is not enabled by default."#);
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println!("This example requires the 'serde' feature to run.");
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println!("Try: cargo run --features serde --example serde");
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println!("Try: cargo run --features serde --example serde");
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}
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}
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@ -33,12 +33,12 @@ fn main() -> Result<(), Box<EvalAltResult>> {
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.register_fn("trim", trim_string)
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.register_fn("trim", trim_string)
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.register_fn("len", count_string_bytes)
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.register_fn("len", count_string_bytes)
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.register_fn("index_of", find_substring)
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.register_fn("index_of", find_substring)
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.register_fn("display", |label: &str, x: INT| {
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// Register string functions using closures
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// Register string functions using closures
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.register_fn("display", |label: &str, value: INT| {
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println!("{}: {}", label, x)
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println!("{}: {}", label, value)
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})
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})
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.register_fn("display", |label: ImmutableString, x: &str| {
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.register_fn("display", |label: ImmutableString, value: &str| {
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println!(r#"{}: "{}""#, label, x) // Quote the input string
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println!(r#"{}: "{}""#, label, value) // Quote the input string
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});
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});
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let mut scope = Scope::new();
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let mut scope = Scope::new();
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@ -1,5 +1,8 @@
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use rhai::{Engine, RegisterFn, INT};
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use rhai::{Engine, RegisterFn, INT};
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#[cfg(feature = "sync")]
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use std::sync::Mutex;
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fn main() {
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fn main() {
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// Channel: Script -> Master
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// Channel: Script -> Master
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let (tx_script, rx_master) = std::sync::mpsc::channel();
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let (tx_script, rx_master) = std::sync::mpsc::channel();
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@ -7,10 +10,7 @@ fn main() {
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let (tx_master, rx_script) = std::sync::mpsc::channel();
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let (tx_master, rx_script) = std::sync::mpsc::channel();
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#[cfg(feature = "sync")]
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#[cfg(feature = "sync")]
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let (tx_script, rx_script) = (
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let (tx_script, rx_script) = (Mutex::new(tx_script), Mutex::new(rx_script));
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std::sync::Mutex::new(tx_script),
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std::sync::Mutex::new(rx_script),
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);
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// Spawn thread with Engine
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// Spawn thread with Engine
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std::thread::spawn(move || {
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std::thread::spawn(move || {
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@ -22,7 +22,7 @@ fn main() {
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#[cfg(not(feature = "sync"))]
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#[cfg(not(feature = "sync"))]
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engine
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engine
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.register_fn("get", move || rx_script.recv().unwrap())
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.register_fn("get", move || rx_script.recv().unwrap_or_default())
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.register_fn("put", move |v: INT| tx_script.send(v).unwrap());
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.register_fn("put", move |v: INT| tx_script.send(v).unwrap());
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#[cfg(feature = "sync")]
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#[cfg(feature = "sync")]
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