This project follows semantic versioning.

# 0.6.1

* [changed] `cfg-if` dependency is actually 0.1.2

# 0.6.0

* [changed] `Cargo.toml` and doc cleanup
* [removed] `contain-rs` and `collections` feature
* [changed] `IndexRanges(Mut)` are now `IndexRange(Mut)`
* [changed] `IndexRange` is sealed from implementation for now
* [fixed] Works on stable Rust

# 0.5.0

* [added] `Empty` trait, required by `Len`
* [added] More docs

# 0.4.0

* [changed] `LenZero` is now `Clear`
* [changed] `split_off` is now part of `LenMut`
* [changed] `DefaultCapacity` is now `WithCapacity`
* [changed] `IndexSplit` is now `SplitAt` and `SplitAtMut`
* [changed] `contain-rs` -> `std` -> `collections`
* [changed] `reserve_extra` and  `shrink_to_fit` are now optional
* [changed] `shrink_to_fit` specifically includes `is_empty` case
* [fixed] `IndexRanges` and `IndexRangesMut` don't require `Output = Self`
* [added] `len`, `capacity`, and `index` modules

# 0.3.0

* [fixed] Combinations of features other than std
* [changed] no-std -> std

# 0.2.6

* [fixed] `Sized` bound on `IndexRangesMut`

# 0.2.5

* [added] `SplitAt` and `SplitOff`

# 0.2.4

* [added] `Capacity` and similar traits

# 0.2.3

* [fixed] *Properly* clarified time and space complexity.

# 0.2.2

* [fixed] Clarified time and space complexity.

# 0.2.1

* [fixed] `LenMut` is no longer implemented for `LinearMap`

# 0.2.0

* [changed] `LenMut` was split into `LenZero` and `LenMut`
* [added] many more impls added

# 0.1.0

* Initial release.