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|
use std::collections::HashMap;
use std::error::Error;
use log::LevelFilter;
use serde::Deserialize;
use toml::Value;
pub trait SerdeReplace {
fn replace(&mut self, value: Value) -> Result<(), Box<dyn Error>>;
}
macro_rules! impl_replace {
($($ty:ty),*$(,)*) => {
$(
impl SerdeReplace for $ty {
fn replace(&mut self, value: Value) -> Result<(), Box<dyn Error>> {
replace_simple(self, value)
}
}
)*
};
}
#[rustfmt::skip]
impl_replace!(
usize, u8, u16, u32, u64, u128,
isize, i8, i16, i32, i64, i128,
f32, f64,
bool,
char,
String,
LevelFilter,
);
fn replace_simple<'de, D>(data: &mut D, value: Value) -> Result<(), Box<dyn Error>>
where
D: Deserialize<'de>,
{
*data = D::deserialize(value)?;
Ok(())
}
impl<'de, T: Deserialize<'de>> SerdeReplace for Vec<T> {
fn replace(&mut self, value: Value) -> Result<(), Box<dyn Error>> {
replace_simple(self, value)
}
}
impl<'de, T: Deserialize<'de>> SerdeReplace for Option<T> {
fn replace(&mut self, value: Value) -> Result<(), Box<dyn Error>> {
replace_simple(self, value)
}
}
impl<'de, T: Deserialize<'de>> SerdeReplace for HashMap<String, T> {
fn replace(&mut self, value: Value) -> Result<(), Box<dyn Error>> {
replace_simple(self, value)
}
}
|
