Struct derive_builder::UninitializedFieldError

pub struct UninitializedFieldError(_);

Runtime error when a build() method is called and one or more required fields do not have a value.

Implementations

impl UninitializedFieldError

pub fn new(field_name: &'static str) -> Self

Create a new UnitializedFieldError for the specified field name.

pub fn field_name(&self) -> &'static str

Get the name of the first-declared field that wasn’t initialized

Trait Implementations

impl Clone for UninitializedFieldError

fn clone(&self) -> UninitializedFieldError

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for UninitializedFieldError

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

Formats the value using the given formatter.

impl Display for UninitializedFieldError

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

Formats the value using the given formatter.

impl Error for UninitializedFieldError

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

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

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

impl From<&'static str> for UninitializedFieldError

fn from(field_name: &'static str) -> Self

Converts to this type from the input type.