Enum Error 

pub(crate) enum Error {
    MissingComponent {
        name: &'static str,
        span_start: Option<Span>,
        span_end: Option<Span>,
    },
    InvalidComponent {
        name: &'static str,
        value: String,
        span_start: Option<Span>,
        span_end: Option<Span>,
    },
    ExpectedString {
        span_start: Option<Span>,
        span_end: Option<Span>,
    },
    UnexpectedToken {
        tree: TokenTree,
    },
    UnexpectedEndOfInput,
    Custom {
        message: Cow<'static, str>,
        span_start: Option<Span>,
        span_end: Option<Span>,
    },
}

Variants

MissingComponent

Fields

name: &'static str

span_start: Option<Span>

span_end: Option<Span>

InvalidComponent

Fields

name: &'static str

value: String

span_start: Option<Span>

span_end: Option<Span>

ExpectedString

Fields

span_start: Option<Span>

span_end: Option<Span>

UnexpectedToken

Fields

tree: TokenTree

UnexpectedEndOfInput

Custom

Fields

message: Cow<'static, str>

span_start: Option<Span>

span_end: Option<Span>

Implementations

impl Error

fn span_start(&self) -> Span

fn span_end(&self) -> Span

pub(crate) fn to_compile_error(&self) -> TokenStream

pub(crate) fn to_compile_error_standalone(&self) -> TokenStream

Like to_compile_error, but for use in macros that produce items.

Trait Implementations

impl Display for Error

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

Formats the value using the given formatter.

impl From<Error> for Error

fn from(error: Error) -> Self

Converts to this type from the input type.