Struct PanicMessage 

pub struct PanicMessage<'a> { /* private fields */ }

This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).

A message that was given to the panic!() macro.

The Display implementation of this type will format the message with the arguments that were given to the panic!() macro.

See PanicInfo::message.

Implementations

impl<'a> PanicMessage<'a>

pub const fn as_str(&self) -> Option<&'static str>

This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).

Gets the formatted message, if it has no arguments to be formatted at runtime.

This can be used to avoid allocations in some cases.

Guarantees

For panic!("just a literal"), this function is guaranteed to return Some("just a literal").

For most cases with placeholders, this function will return None.

See fmt::Arguments::as_str for details.

Trait Implementations

impl Debug for PanicMessage<'_>

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

This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).

Formats the value using the given formatter.

impl Display for PanicMessage<'_>

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

This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).

Formats the value using the given formatter.