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#[cfg(feature = "json")]
pub mod json {
use std::fmt::{self, Display};
use serde::Serialize;
use serde_json::{to_writer, to_writer_pretty};
use crate::helpers::io_fmt::IoFmt;
pub struct Json<'a, T>(pub &'a T);
impl<'a, T> Clone for Json<'a, T> {
fn clone(&self) -> Self {
Json(self.0)
}
}
impl<'a, T> Copy for Json<'a, T> {}
pub trait AsJson {
fn __as_json(&self) -> Json<'_, Self>
where
Self: Sized;
}
impl<S> AsJson for S {
fn __as_json(&self) -> Json<'_, Self>
where
Self: Sized,
{
Json(self)
}
}
pub struct JsonPretty<'a, T>(pub &'a T);
impl<'a, T> Clone for JsonPretty<'a, T> {
fn clone(&self) -> Self {
JsonPretty(self.0)
}
}
impl<'a, T> Copy for JsonPretty<'a, T> {}
pub trait AsJsonPretty {
fn __as_json_pretty(&self) -> JsonPretty<'_, Self>
where
Self: Sized;
}
impl<S> AsJsonPretty for S {
fn __as_json_pretty(&self) -> JsonPretty<'_, Self>
where
Self: Sized,
{
JsonPretty(self)
}
}
impl<'a, S: Serialize> Display for Json<'a, S> {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
to_writer(IoFmt::new(f), self.0).map_err(|_| fmt::Error)
}
}
impl<'a, S: Serialize> Display for JsonPretty<'a, S> {
#[inline(always)]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
to_writer_pretty(IoFmt::new(f), self.0).map_err(|_| fmt::Error)
}
}
}
#[cfg(feature = "json")]
pub use self::json::*;