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Add fallible type iterators.

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This commit is contained in:
Stephen Chung
2022-08-22 13:10:32 +08:00
parent 1deed8cd55
commit 799dd9d9d1
4 changed files with 36 additions and 31 deletions
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39
src/eval/stmt.rs
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@@ -641,38 +641,21 @@ impl Engine {
break;
}
let index_value = (x as INT).into();
let index_value = Dynamic::from(x as INT);
#[cfg(not(feature = "no_closure"))]
{
let index_var = scope.get_mut_by_index(counter_index);
if index_var.is_shared() {
*index_var.write_lock().expect("`Dynamic`") = index_value;
} else {
*index_var = index_value;
}
}
#[cfg(feature = "no_closure")]
{
*scope.get_mut_by_index(counter_index) = index_value;
}
*scope.get_mut_by_index(counter_index).write_lock().unwrap() =
index_value;
}
let value = iter_value.flatten();
#[cfg(not(feature = "no_closure"))]
{
let loop_var = scope.get_mut_by_index(index);
if loop_var.is_shared() {
*loop_var.write_lock().expect("`Dynamic`") = value;
} else {
*loop_var = value;
let value = match iter_value {
Ok(v) => v.flatten(),
Err(err) => {
loop_result = Err(err.fill_position(expr.position()));
break;
}
}
#[cfg(feature = "no_closure")]
{
*scope.get_mut_by_index(index) = value;
}
};
*scope.get_mut_by_index(index).write_lock().unwrap() = value;
#[cfg(not(feature = "unchecked"))]
if let Err(err) = self