Serde is a framework for serializing and deserializing Rust data structures efficiently and generically.
Serde is a framework for serializing and deserializing Rust data structures efficiently and generically.
Questions tagged [serde]
839 questions
0
votes
1 answer
Save/load of struct works or fails depending on member vector length
I have defined the following structs with custom load/save methods using serde and bincode:
use std::{
fs::File,
io::{Read, Seek, SeekFrom, Write},
};
use serde::{Deserialize, Serialize};
#[derive(Clone, Debug, Serialize, Deserialize)]
pub…
Foveng
- 47
- 5
0
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How to detect tcp disconnected in tokio sink item in tokio-serde library?
I've found a library named tokio-serde which will send and receive data using tokio tcp socket and serialize and deserialize that using serde json.
There is two examples which will show how you can create a server and a client using this lib.
In…
Amoo Hesam
- 461
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1 answer
Can rust and serde-xml-rs parse comments from XML files?
mike
- 167
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- 6
0
votes
1 answer
Can't write field to MongoDB document if using skip_serialize serde attribute in Rust
I want to be able to write a field into a mongo document, but avoid serializing it when passing the object as a response to the client.
I tried using #[serde(skip_serializing)].
However, it doesn't work as I intended, which I think is because when…
0
votes
1 answer
Resolving external string references ( IDs / "foreign keys" ) to structs present elsewhere in the same document, at deserialization time, with serde
I have Context objects - essentially a join record between a Cluster and a User - in a kubernetes config yaml ( ~/.kube/config ) i'd like to parse in to a struct that looks something like this:
struct Context {
name: String,
cluster: Cluster,
…
pgn
- 669
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0 answers
How can you use the Serialization and Deserialization macros on things you don't define?
Rust provides a Serialize and Deserialize macro which are applied by decorating the struct you're defining with #[derive(Serialize)] and #[derive(Deserialize)]. How do I apply these macros if I'm not defining the struct? Like let's say I have,
use…
Evan Carroll
- 78,363
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- 468
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Custom Serde Deserializer for JSON with Inconsistent Field Names in Rust
I'm trying to make a deserializer for the FullOrder struct from the CEX.IO exchange (https://cex.io/rest-api#/definitions/FullOrder). It unfortunately doesn't contain a consistent definition, and has fields as labelled below:
ta:{symbol2} string …
AdmiralJonB
- 2,038
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1 answer
Using `DeserializedOwned` trait in a oneshot channel: object safety error
The following code:
trait ClientResponse: DeserializeOwned + Send + Sized {}
struct ClientMsg {
...
resp: oneshot::Sender>
}
async fn client_thread(rx: mpsc::Receiver, client: reqwest::Client, base_url:…
jeanluc
- 1,608
- 1
- 14
- 28
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1 answer
Can I send an RMPV `Value` back to rmp_serde for deserialization?
I have a large, somewhat complicated data structure that I can serialize and deserialize with serde and rmp-serde, but I find that deserialization is quite slow. I think this is because my data structure includes two rather large HashMaps. I don't…
user655321
- 1,572
- 2
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- 33
0
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1 answer
Serializing a Vec to CBOR byte string in Rust using serde_cbor
I want to encode Vec as CBOR byte string using serde_cbor. I tried the following code:
use serde_cbor::{to_vec}
let data = vec![0x01, 0x23, 0x45, 0x67, 0x89, 0xab];
let encoded_data = to_vec(&data)?;
println!("encoded_data: {:x?}",…
Stefan
- 83
- 8
0
votes
1 answer
How do I pass a type bounded by a trait to Serde's deserialize_with?
A type satisfying MyTrait is supposed to be passed to deserialize_data specified by deserialize_with. Here is my sample code:
use serde::{Deserialize, Deserializer}; // 1.0.117
use serde_json; // 1.0.59
type Item = Result
bruceyuan
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- 8
0
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1 answer
How do I decouple wasm specific macros from functions and structs
I've got some core functionality, primarily an algorithm that i'm trying to reuse in web assembly and java.
I'm using wasm-bindgen and serde, I notice that wasm-bindgen and serde is tightly coupled to my algorithm via the use of attributes. i.e;…
Grant
- 446
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- 24
0
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1 answer
How do I deserialize a configuration value from an environment variable as a Vec?
I'm trying to use Rust's config crate to handle a config struct that includes a field with type Vec. I can define my struct and everything compiles, but I can't seem to set the value using an environment variable - it seems like the default…
Greg Owen
- 947
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- 19
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1 answer
How to annotate code to generate artifacts during compilation?
I have a configuration struct like this:
pub struct Configuration {
flag1: bool,
flag2: String,
flag3: i32,
flag4: String
}
I want to generate a configuration file template that users can edit with values. I will allow users to pass…
Avba
- 14,822
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0
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1 answer
Deserializing a String with into_serde makes the app panick
With a friend of mine, we're trying to use the serde_json crate to deserialize some message sent by a WebSocket.
We are having a specific error, and we managed to recreate it with the following snippet of code:
use serde::{Deserialize,…
nugetchar
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