Enum perseus::template::GeneratorResult

pub enum GeneratorResult<T> {
    Ok(T),
    Err(Box<dyn Error + Send + Sync>),
}

A custom enum representation of a Result-style type whose error is a Box that can accept any thread-safe error type. This is used internally as a conversion type so that your state generation functions (e.g. get_build_state) can return either some type T, or a Result<T, E>, where E is of your choosing. This type appears as Into<GeneratorResult<T>> in several function signatures, and that From/Into relation is automatically implemented for all the types you’ll need in your state generation functions.

You can think of this as another way of implementing a MaybeFallible trait, which would be more elegant, but doesn’t work yet due to the overlap between T and Result<T, E> (which could itself be interpreted as T). Until certain nightly features of Rust as stabilized, this is not possible without copious type parameter specification.

You should never need to use this type yourself, consider it an internal conversion type.

Variants

Ok(T)

Equivalent to Result::Ok.

Err(Box<dyn Error + Send + Sync>)

Equivalent to Result::Err.

Trait Implementations

impl<T: Debug> Debug for GeneratorResult<T>

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

Formats the value using the given formatter.

impl From<BuildPaths> for GeneratorResult<BuildPaths>

fn from(val: BuildPaths) -> Self

Converts to this type from the input type.

impl From<HeaderMap<HeaderValue>> for GeneratorResult<HeaderMap>

fn from(val: HeaderMap) -> Self

Converts to this type from the input type.

impl<E: Into<Box<dyn Error + Send + Sync + 'static>> + Send + Sync> From<Result<BuildPaths, E>> for GeneratorResult<BuildPaths>

fn from(val: Result<BuildPaths, E>) -> Self

Converts to this type from the input type.

impl<E: Into<Box<dyn Error + Send + Sync + 'static>> + Send + Sync> From<Result<HeaderMap<HeaderValue>, E>> for GeneratorResult<HeaderMap>

fn from(val: Result<HeaderMap, E>) -> Self

Converts to this type from the input type.

impl<S: Serialize + DeserializeOwned + MakeRx, E: Into<Box<dyn Error + Send + Sync + 'static>> + Send + Sync> From<Result<S, E>> for GeneratorResult<S>

fn from(val: Result<S, E>) -> Self

Converts to this type from the input type.

impl<E: Into<Box<dyn Error + Send + Sync + 'static>> + Send + Sync> From<Result<View<SsrNode>, E>> for GeneratorResult<View<SsrNode>>

fn from(val: Result<View<SsrNode>, E>) -> Self

Converts to this type from the input type.

impl<S: Serialize + DeserializeOwned + MakeRx> From<S> for GeneratorResult<S>

fn from(val: S) -> Self

Converts to this type from the input type.

impl From<View<SsrNode>> for GeneratorResult<View<SsrNode>>

fn from(val: View<SsrNode>) -> Self

Converts to this type from the input type.