Trait FromRefForWriter

pub trait FromRefForWriter<'a> {
    type Inner: ?Sized;
    type Wr: WriteTo + 'a;

    // Required method
    fn from_ref_for_writer(value: &'a Self::Inner) -> Self::Wr;
}

Trait to use when using the with_newtype attribute.

This is used to convert a reference to a normal type (like String, Vec<u8> etc. into a type that is a reference to them, like &str, &[u8] etc.), so that the WriteTo implementation can be written only for the reference types, and all the other WriteTo impls will only cast what they have to write to those reference types (via the function below), and then call the WriteTo::write_to method on that reference.

Required Associated Types

type Inner: ?Sized

The inner type to cast.

type Wr: WriteTo + 'a

The reference type to cast to.

Required Methods

fn from_ref_for_writer(value: &'a Self::Inner) -> Self::Wr

Casts the reference to the inner type to a WriteTo reference type.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<'a> FromRefForWriter<'a> for FileBytes

type Inner = [u8]

type Wr = FileBytesRefWr<'a>

impl<'a> FromRefForWriter<'a> for FileString

type Inner = str

type Wr = FileStrWr<'a>

impl<'a, T> FromRefForWriter<'a> for Json<T>

where T: Serialize + for<'d> Deserialize<'d> + 'static,

Available on crate feature json only.

type Inner = T

type Wr = JsonRefWr<'a, T>

impl<'a, T> FromRefForWriter<'a> for Ron<T>

where T: Serialize + for<'d> Deserialize<'d> + 'static,

Available on crate feature ron only.

type Inner = T

type Wr = RonRefWr<'a, T>

impl<'a, T> FromRefForWriter<'a> for CleanDir<T>

where T: DirStructureItem + 'a,

type Inner = T

type Wr = CleanDirRefWr<'a, T>

impl<'a, T> FromRefForWriter<'a> for FmtWrapper<T>

where T: Display + 'a,

type Inner = T

type Wr = FmtWrapperRefWr<'a, T>

impl<'a, T> FromRefForWriter<'a> for Toml<T>

where T: Serialize + for<'d> Deserialize<'d> + 'static,

Available on crate feature toml only.

type Inner = T

type Wr = TomlRefWr<'a, T>

impl<'a, T> FromRefForWriter<'a> for Yaml<T>

where T: Serialize + for<'d> Deserialize<'d> + 'static,

Available on crate feature yaml only.

type Inner = T

type Wr = YamlRefWr<'a, T>