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`ShortName` is lazily evaluated and does not allocate, instead providing
`Display` and `Debug` implementations which write directly to a
formatter using the original algorithm. When using `ShortName` in format
strings (`panic`, `dbg`, `format`, etc.) you can directly use the
`ShortName` type. If you require a `String`, simply call
`ShortName(...).to_string()`.
# Objective
- Remove the requirement for allocation when using `get_short_name`
## Solution
- Added new type `ShortName` which wraps a name and provides its own
`Debug` and `Display` implementations, using the original
`get_short_name` algorithm without the need for allocating.
- Removed `get_short_name`, as `ShortName(...)` is more performant and
ergonomic.
- Added `ShortName::of::<T>` method to streamline the common use-case
for name shortening.
## Testing
- CI
## Migration Guide
### For `format!`, `dbg!`, `panic!`, etc.
```rust
// Before
panic!("{} is too short!", get_short_name(name));
// After
panic!("{} is too short!", ShortName(name));
```
### Need a `String` Value
```rust
// Before
let short: String = get_short_name(name);
// After
let short: String = ShortName(name).to_string();
```
## Notes
`ShortName` lazily evaluates, and directly writes to a formatter via
`Debug` and `Display`, which removes the need to allocate a `String`
when printing a shortened type name. Because the implementation has been
moved into the `fmt` method, repeated printing of the `ShortName` type
may be less performant than converting it into a `String`. However, no
instances of this are present in Bevy, and the user can get the original
behaviour by calling `.to_string()` at no extra cost.
---------
Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
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