musli 0.0.149

Müsli is a flexible and efficient serialization framework.
Documentation 
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#![allow(unused)]

use std::collections::HashMap;

use musli::alloc::Global;
use musli::context;
use musli::{Decode, Encode};

#[derive(Encode)]
struct From {
    values: HashMap<String, String>,
}

#[derive(Decode)]
struct Collection {
    #[musli(trace)]
    values: HashMap<String, u32>,
}

#[test]
fn trace_collection() {
    musli::alloc::default(|alloc| {
        let cx = context::new_in(alloc).with_trace();

        let mut values = HashMap::new();

        values.insert("Hello".to_string(), "World".to_string());

        let from = From { values };

        let encoding = musli::json::Encoding::new();

        let Ok(bytes) = encoding.to_vec_with(&cx, &from) else {
            if let Some(error) = cx.errors().next() {
                panic!("{error}");
            }

            unreachable!()
        };

        let cx = context::new_in(alloc).with_trace();

        let Ok(..) = encoding.from_slice_with::<_, Collection>(&cx, &bytes) else {
            if let Some(error) = cx.errors().next() {
                assert_eq!(
                    error.to_string(),
                    ".values[Hello]: Invalid numeric (at bytes 19-20)"
                );
                return;
            }

            unreachable!()
        };

        panic!("Expected decoding to error");
    })
}