scopeguard 0.3.1

A RAII scope guard that will run a given closure when it goes out of scope, even if the code between panics (assuming unwinding panic). Defines the macros `defer!` and `defer_on_unwind!`; the latter only runs if the scope is extited through unwinding on panic.
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scopeguard

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Feature flags are not available for this release because it was built before features were collected by docs.rs.