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Clean up; Add example

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This commit is contained in:
Jeff 2024-06-24 15:07:11 -04:00
parent 7dc7f7a351
commit 2da0a6a28b
2 changed files with 38 additions and 18 deletions
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37
dust-lang/src/abstract_tree/async_block.rs
View File

@ -39,29 +39,30 @@ impl AbstractNode for AsyncBlock {
}
fn evaluate(self, _context: &Context, _: bool) -> Result<Option<Evaluation>, RuntimeError> {
let statement_count = self.statements.len();
let final_result = Mutex::new(Ok(None));
let statement_count = self.statements.len();
let error_option = self.statements.into_par_iter().enumerate().find_map_any(
|(index, statement)| -> Option<RuntimeError> {
let result = statement.evaluate(&_context, false);
self.statements
.into_par_iter()
.enumerate()
.find_map_any(
|(index, statement)| -> Option<Result<Option<Evaluation>, RuntimeError>> {
let result = statement.evaluate(&_context, false);
if let Err(error) = result {
return Some(error);
}
if result.is_err() {
return Some(result);
}
if index == statement_count - 1 {
// It is safe to unwrap here because only one thread uses the Mutex
*final_result.lock().unwrap() = result;
}
if index == statement_count - 1 {
// It is safe to unwrap here because only one thread uses the Mutex
*final_result.lock().unwrap() = result;
}
None
},
);
None
},
)
.unwrap_or(final_result.into_inner()?)
if let Some(error) = error_option {
Err(error)
} else {
final_result.into_inner()?
}
}
fn expected_type(&self, _context: &Context) -> Result<Option<Type>, ValidationError> {

19
examples/async_count.ds Normal file
View File

@ -0,0 +1,19 @@
count_slowly = fn (multiplier: int) {
i = 0
while i < 10 {
sleep_time = i * multiplier;
thread.sleep(sleep_time)
io.write_line(i as str)
i += 1
}
}
async {
count_slowly(50)
count_slowly(100)
count_slowly(200)
count_slowly(250)
}