Trait juniper::IntoFieldResult

pub trait IntoFieldResult<T, S> {
    type Item;
    pub fn into_result(self) -> Result<T, FieldError<S>>;
}

Trait for wrapping Stream into Ok if it's not Result.

Used in subscription macros when user can provide type alias for Stream or Result<Stream, _> and then a function on Stream should be called.

Associated Types

type Item

Type of items yielded by this Stream.

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Required methods

pub fn into_result(self) -> Result<T, FieldError<S>>

Turns current Stream type into a generic Result.

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Implementations on Foreign Types

impl<T, E, S> IntoFieldResult<T, S> for Result<T, E> where
    T: IntoFieldResult<T, S>,
    E: IntoFieldError<S>, 

type Item = T::Item

pub fn into_result(self) -> Result<T, FieldError<S>>

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Implementors

impl<T, S> IntoFieldResult<T, S> for T where
    T: Stream, 

type Item = T::Item

pub fn into_result(self) -> Result<T, FieldError<S>>

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