try_v2 0.4.2

Provides a derive macro for `Try` ([try_trait_v2](https://rust-lang.github.io/rfcs/3058-try-trait-v2.html))
Documentation 
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use trybuild::TestCases;

#[test]
fn errors() {
    TestCases::new().compile_fail("tests/compilation/examples/fail_*.rs");
}

#[test]
fn valid() {
    TestCases::new().pass("tests/compilation/examples/pass_*.rs");
}