mlua_serde/src/error.rs

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Rust
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2018-02-13 12:12:22 +00:00
use std::fmt;
use std::error::Error as StdError;
use std::result::Result as StdResult;
use serde;
use rlua::Error as LuaError;
#[derive(Debug)]
pub struct Error(LuaError);
pub type Result<T> = StdResult<T, Error>;
impl From<LuaError> for Error {
fn from(err: LuaError) -> Error {
Error(err)
}
}
impl From<Error> for LuaError {
fn from(err: Error) -> LuaError {
err.0
}
}
impl fmt::Display for Error {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
self.0.fmt(fmt)
}
}
impl StdError for Error {
fn description(&self) -> &'static str {
"Failed to serialize to Lua value"
}
}
impl serde::ser::Error for Error {
fn custom<T: fmt::Display>(msg: T) -> Self {
Error(LuaError::ToLuaConversionError {
from: "serialize",
to: "value",
message: Some(format!("{}", msg))
})
}
}
impl serde::de::Error for Error {
fn custom<T: fmt::Display>(msg: T) -> Self {
Error(LuaError::FromLuaConversionError {
from: "value",
to: "deserialize",
message: Some(format!("{}", msg))
})
}
}