Crate scopeguard [−] [src]

A scope guard will run a given closure when it goes out of scope, even if the code between panics. (as long as panic doesn't abort)

Crate features:

use_std
- Enabled by default. Enables the OnUnwind strategy.
- Disable to use no_std.

Macros

defer	Macro to create a `ScopeGuard` (always run).
defer_on_unwind	Macro to create a `ScopeGuard` (run on unwinding from panic).

ScopeGuard is a scope guard that may own a protected value.

Always	Always run on scope exit.
OnUnwind	Run on scope exit through unwinding.

guard	Create a new `ScopeGuard` owning `v` and with deferred closure `dropfn`.
guard_on_unwind	Create a new `ScopeGuard` owning `v` and with deferred closure `dropfn`.