Struct ErrorVariant 

pub struct ErrorVariant {
    pub name: String,
    pub message_template: Option<String>,
    pub fields: Vec<FieldDef>,
    pub has_source: bool,
    pub has_from: bool,
    pub is_unit: bool,
    pub doc: String,
}

An error variant.

Fields

name: String

message_template: Option<String>

The #[error("...")] message template string, e.g. "I/O error: {0}".

fields: Vec<FieldDef>

Fields on this variant (struct or tuple fields).

has_source: bool

True if any field has #[source] or #[from].

has_from: bool

True if any field has #[from] (auto From conversion).

is_unit: bool

True if this is a unit variant (no fields).

doc: String

Trait Implementations

impl Clone for ErrorVariant

fn clone(&self) -> ErrorVariant

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ErrorVariant

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ErrorVariant

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ErrorVariant

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.