Enum Error 

pub enum Error {
    UnsupportedResource,
    SoftLimitExceedsHardLimit,
    NoPermissionToRaiseHardLimit,
    Overflow,
    Unknown(Errno),
}

Error that may occur in Command::execute

Variants

UnsupportedResource

The specified resource is not supported on the current platform.

SoftLimitExceedsHardLimit

The specified soft limit is greater than the hard limit.

NoPermissionToRaiseHardLimit

The new hard limit is greater than the current hard limit and the user does not have permission to raise the hard limit.

Overflow

The specified limit is out of range.

Unknown(Errno)

Other error

Trait Implementations

impl Debug for Error

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Error

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for Error

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.