Struct RclErrorMsg

pub struct RclErrorMsg(/* private fields */);

Struct encapsulating an error message from the rcl layer or below.

This struct is intended to be returned by the source method in the implementation of the standard Error trait for RclrsError. By doing this, the error message is printed as a separate item in the error chain. This avoids an unreadable, inconsistent formatting of error codes and messages that would likely be produced by a combined display of RclReturnCode and message.

Trait Implementations

impl Debug for RclErrorMsg

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

Formats the value using the given formatter.

impl Display for RclErrorMsg

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

Formats the value using the given formatter.

impl Error for RclErrorMsg

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.

impl PartialEq for RclErrorMsg

fn eq(&self, other: &RclErrorMsg) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for RclErrorMsg

impl StructuralPartialEq for RclErrorMsg