Crate toy_arena 

Extensible generational arena for various uses. Example

Goals: Tiny code and real use. Non-goals: Super fast performance.

Similar crates

• generational_arena
• thunderdome

NOTE: Still early, bugs can exist!

Modules

_example

Example code and documentation

iter

Iterator types for the Arena

tree

Tree layered on top of the generational arena

Macros

arena

Creates an Arena and with given values. Arena<T> type might have to be annotated.

tree

Creates a Tree with given hierarchy of value

Structs

Arena

Generational arena: basically a Vec, but with fixed item positions

Index

Slot with identitiy based on generation.

Slot

Index of the backing Vec in Arena. It can be upgraded to Index, but prefer mutable iterators to slot-based iteration.

Traits

Gen

Generation type, one of the unsized NonZero types in std::num

Type Aliases

DefaultGen

Default generation type used by arena