#traits #collection #heterogeneous #dynamic

nightly fusebox

Mostly safe and sound append-only collection of trait objects

3 releases

0.8.3 Nov 16, 2023
0.8.2 Jan 24, 2023
0.6.1 Jan 17, 2023
0.5.0 Jan 16, 2023
0.1.0 Jan 16, 2023

#1583 in Data structures

30 downloads per month

Custom license

18KB
448 lines

fusebox crates.io CI status

Mostly safe and sound append-only collection of trait objects.

Why?

This avoids extra indirection of Vec<Box<dyn Trait>>, which might matter for you. I personally use it in pcmg audio synthesizer for fusing together multiple filters and oscillators.

Changelog

0.8.3

  • Alignment bug in reallocation logic (#5)

0.8.2

  • Fix bug in reallocation logic (#4)

0.8.0

  • push_unsafe removed from public API
  • push no longer requires T: Send, instead Send and Sync are implemented for FuseBox<Dyn> depending on wether Dyn is

0.7.0

  • Improved iteration performance by using two pointer technique

0.6.0

  • Performance improvements
  • Soundness fixes

0.5.0

  • Use Unsize instead of AsDyn marker trait, making safe push for foreign types possible

0.4.0

  • Removed Sz parameter from FuseBox
  • FuseBox now supports truly random access

0.3.0

  • Added Size to restrict Sz to valid unsigned integers

0.2.0

  • Added AsDyn to make safe push possible.
  • Fixed pushed values not being dropped when FuseBox is dropped

0.1.0

Initial release

Dependencies

~0.2–13MB
~165K SLoC