Lib.rs

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#diff #assert #debugging #color

dev similar-asserts

provides assert_eq! like macros with colorized diff output

by Armin Ronacher and 2 contributors

9 stable releases

1.6.0 Sep 5, 2024
1.5.0 Aug 20, 2023
1.4.2 Aug 3, 2022
1.2.0 Jan 5, 2022
1.1.0 Feb 27, 2021

#24 in Rust patterns

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785,477 downloads per month
Used in 235 crates (147 directly)

Apache-2.0

34KB
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similar-asserts

Build Status Crates.io License Documentation

similar-asserts is a crate that enhances the default assertion experience by using similar for diffing. It supports comparing either Debug or Serialize representations of values. On failed assertions it renders out a colorized diff to the terminal.

fn main() {
    let reference = vec![1, 2, 3, 4];
    similar_asserts::assert_eq!(reference, (0..4).collect::<Vec<_>>());
}

Dependencies

~0.3–7MB
~50K SLoC