Trait nom::error::FromExternalError

pub trait FromExternalError<I, E> {
    // Required method
    fn from_external_error(input: I, kind: ErrorKind, e: E) -> Self;
}

This trait is required by the map_res combinator to integrate error types from external functions, like std::str::FromStr

Required Methods

fn from_external_error(input: I, kind: ErrorKind, e: E) -> Self

Creates a new error from an input position, an ErrorKind indicating the wrapping parser, and an external error

Implementations on Foreign Types

impl<I, E> FromExternalError<I, E> for ()

fn from_external_error(_input: I, _kind: ErrorKind, _e: E) -> Self

impl<I, E> FromExternalError<I, E> for (I, ErrorKind)

fn from_external_error(input: I, kind: ErrorKind, _e: E) -> Self

Implementors

impl<I, E> FromExternalError<I, E> for Error<I>

impl<I, E> FromExternalError<I, E> for VerboseError<I>

Available on crate feature alloc only.