Trait FromExternalError

pub trait FromExternalError<I, E>

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

Implementors