diff-ba-rs

About

This library provides macros to get the difference of variables caused by a procedure.

Before and after the operation, use the pretty-print format by fmt::Debug to string them, and get their diff.

How to use

```toml

Cargo.toml

[dependencies] diff-ba-rs = "0.1.0" ```

```rust use diffbars::prelude::*;

[derive(Debug)]

struct ComplexVariable { // ... }

let mut complexvariable = ComplexVariable { // ... }; let _result = diffba::dbg!(&complexvariable, { // OPERATION YOU WANT TO VERIFY // The diffba::dbg! macro returns the final expression in this block. }); ```

Very easy sample

rust use diff_ba_rs::prelude::*; let mut a = 2; let b = diff_ba::dbg!(&a, a *= 2; a + 1 }); // prints: // // - 2 // + 4 // assert_eq!(b, 5);

Note

For now, only the dbg! macro prints to standard output, but if there is demand for it from myself or others, I may implement a macro that returns a string or writes to a file.

License

diff-ba-rs is released under the MIT License