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Refine docs.

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This commit is contained in:
Stephen Chung
2020-09-19 12:14:02 +08:00
parent b795ce9f45
commit 2ff3a1fde5
18 changed files with 133 additions and 107 deletions
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46
doc/src/patterns/control.md
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@@ -68,19 +68,19 @@ let bunny: Rc<RefCell<EnergizerBunny>> = Rc::new(RefCell::(EnergizerBunny::new()
// Notice 'move' is used to move the shared API object into the closure.
let b = bunny.clone();
engine.register_fn("bunny_power", move |on: bool| {
if on {
if b.borrow().is_going() {
println!("Still going...");
} else {
b.borrow_mut().go();
}
if on {
if b.borrow().is_going() {
println!("Still going...");
} else {
if b.borrow().is_going() {
b.borrow_mut().stop();
} else {
println!("Already out of battery!");
}
b.borrow_mut().go();
}
} else {
if b.borrow().is_going() {
b.borrow_mut().stop();
} else {
println!("Already out of battery!");
}
}
});
let b = bunny.clone();
@@ -88,24 +88,24 @@ engine.register_fn("bunny_is_going", move || b.borrow().is_going());
let b = bunny.clone();
engine.register_fn("bunny_get_speed", move ||
if b.borrow().is_going() { b.borrow().get_speed() } else { 0 }
if b.borrow().is_going() { b.borrow().get_speed() } else { 0 }
);
let b = bunny.clone();
engine.register_result_fn("bunny_set_speed", move |speed: i64|
if speed <= 0 {
return Err("Speed must be positive!".into());
} else if speed > 100 {
return Err("Bunny will be going too fast!".into());
}
if speed <= 0 {
return Err("Speed must be positive!".into());
} else if speed > 100 {
return Err("Bunny will be going too fast!".into());
}
if b.borrow().is_going() {
b.borrow_mut().set_speed(speed)
} else {
return Err("Bunny is not yet going!".into());
}
if b.borrow().is_going() {
b.borrow_mut().set_speed(speed)
} else {
return Err("Bunny is not yet going!".into());
}
Ok(().into())
Ok(().into())
);
```