# Struct std::process::ExitCode[−][src]

    pub struct ExitCode(_);

🔬 This is a nightly-only experimental API. (`process_exitcode_placeholder` #48711)

This type represents the status code a process can return to its parent under normal termination.

Numeric values used in this type don't have portable meanings, and different platforms may mask different amounts of them.

For the platform's canonical successful and unsuccessful codes, see the `SUCCESS` and `FAILURE` associated items.

Warning: While various forms of this were discussed in RFC #1937, it was ultimately cut from that RFC, and thus this type is more subject to change even than the usual unstable item churn.

## Methods

###

`impl ExitCode`

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#### `pub const SUCCESS: ExitCode`

🔬 This is a nightly-only experimental API. (`process_exitcode_placeholder` #48711)

    SUCCESS: ExitCode = ExitCode(<imp::ExitCode>::SUCCESS)

The canonical ExitCode for successful termination on this platform.

Note that a `()`-returning `main` implicitly results in a successful termination, so there's no need to return this from `main` unless you're also returning other possible codes.

#### `pub const FAILURE: ExitCode`

🔬 This is a nightly-only experimental API. (`process_exitcode_placeholder` #48711)

    FAILURE: ExitCode = ExitCode(<imp::ExitCode>::FAILURE)

The canonical ExitCode for unsuccessful termination on this platform.

If you're only returning this and `SUCCESS` from `main`, consider instead returning `Err(_)` and `Ok(())` respectively, which will return the same codes (but will also `eprintln!` the error).

## Trait Implementations

###

`impl Clone for ExitCode`

[src]

####

`fn clone(&self) -> ExitCode`

[src]

Returns a copy of the value. Read more

####

`fn clone_from(&mut self, source: &Self)`

1.0.0
[src]

Performs copy-assignment from `source`. Read more

###

`impl Copy for ExitCode`

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###

`impl Debug for ExitCode`

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####

`fn fmt(&self, f: &mut Formatter) -> Result`

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Formats the value using the given formatter. Read more

###

`impl Termination for ExitCode`

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####

`fn report(self) -> i32`

[src]

🔬 This is a nightly-only experimental API. (`termination_trait_lib` #43301)

Is called to get the representation of the value as status code. This status code is returned to the operating system. Read more

## Auto Trait Implementations

###

`impl Send for ExitCode`

###

`impl Sync for ExitCode`

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