Trait MessageValue 

pub trait MessageValue: ToTokens + Sized {
    const MESSAGE_IDENT: &'static str;
    const MESSAGE_ARG_WRAPPER: &'static str;

    // Required methods
    fn as_arg(&self) -> Option<usize>;
    fn new_string(s: String) -> Self;
    fn new_placeholder_raw(s: &str) -> Result<Self, MessageValueError>;
}

Required Associated Constants

const MESSAGE_IDENT: &'static str

const MESSAGE_ARG_WRAPPER: &'static str

Required Methods

fn as_arg(&self) -> Option<usize>

fn new_string(s: String) -> Self

fn new_placeholder_raw(s: &str) -> Result<Self, MessageValueError>

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 MessageValue for AllocMessageValue

const MESSAGE_IDENT: &'static str = "AllocMessage"

const MESSAGE_ARG_WRAPPER: &'static str = "vec!"

impl MessageValue for StaticMessageValue

const MESSAGE_IDENT: &'static str = "StaticMessage"

const MESSAGE_ARG_WRAPPER: &'static str = "&"