Enum HookError 

pub enum HookError {
    Unsupported,
    AccessibilityDenied,
    MacOsTap(String),
}

Errors that Hook::start and related functions can produce.

Variants

Unsupported

This platform has no hook implementation yet (Linux, Windows).

AccessibilityDenied

macOS Accessibility permission has not been granted to this process.

MacOsTap(String)

CGEventTapCreate returned null, or the run loop source could not be created. The inner string carries the context.

Trait Implementations

impl Debug for HookError

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

Formats the value using the given formatter.

impl Display for HookError

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

Formats the value using the given formatter.

impl Error for HookError

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.