undo
Provides undo-redo functionality with dynamic dispatch and automatic command merging.
- Record provides a stack based undo-redo functionality.
- History provides a tree based undo-redo functionality that allows you to jump between different branches.
- Queue wraps a Record or History and provides batch queue functionality.
- Checkpoint wraps a Record or History and provides checkpoint functionality.
- Commands can be merged using the
merge!
macro or themerge
method. When two commands are merged, undoing and redoing them are done in a single step. - Configurable display formatting is provided when the
display
feature is enabled. - Time stamps and time travel is provided when the
chrono
feature is enabled.
Examples
Add this to Cargo.toml
:
[]
= "0.28"
And this to main.rs
:
extern crate undo;
use ;
;
License
Licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.