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Substitute trivial fallible conversions with infallible function calls (#10846)

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Clippy for rust 1.75 will introduce the
[`unnecessary_fallible_conversions`][1] lint. This PR solves the trivial
ones.

[1]:
https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fallible_conversions
This commit is contained in:
Federico Rinaldi 2024-09-17 00:46:54 +02:00 committed by GitHub
parent 5a0c09d38f
commit 262b068bc3
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1 changed files with 11 additions and 9 deletions
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20
crates/bevy_ecs/src/entity/mod.rs
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@ -553,12 +553,14 @@ impl Entities {
// Use one atomic subtract to grab a range of new IDs. The range might be
// entirely nonnegative, meaning all IDs come from the freelist, or entirely
// negative, meaning they are all new IDs to allocate, or a mix of both.
let range_end = self
.free_cursor
// Unwrap: these conversions can only fail on platforms that don't support 64-bit atomics
// and use AtomicIsize instead (see note on `IdCursor`).
.fetch_sub(IdCursor::try_from(count).unwrap(), Ordering::Relaxed);
let range_start = range_end - IdCursor::try_from(count).unwrap();
let range_end = self.free_cursor.fetch_sub(
IdCursor::try_from(count)
.expect("64-bit atomic operations are not supported on this platform."),
Ordering::Relaxed,
);
let range_start = range_end
- IdCursor::try_from(count)
.expect("64-bit atomic operations are not supported on this platform.");
let freelist_range = range_start.max(0) as usize..range_end.max(0) as usize;
@ -745,9 +747,9 @@ impl Entities {
self.verify_flushed();
let freelist_size = *self.free_cursor.get_mut();
// Unwrap: these conversions can only fail on platforms that don't support 64-bit atomics
// and use AtomicIsize instead (see note on `IdCursor`).
let shortfall = IdCursor::try_from(additional).unwrap() - freelist_size;
let shortfall = IdCursor::try_from(additional)
.expect("64-bit atomic operations are not supported on this platform.")
- freelist_size;
if shortfall > 0 {
self.meta.reserve(shortfall as usize);
}