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
-1
votes
1 answer
Rust deserialize Vec of u32 to Vec of enum
I'm looking for a good way to deserialize a Vec of u32 to a Vec of enum.
So basically I'm receiving a json object like this:
{
"Account": "r...",
"Flags": 20,
...
}
The struct I'm trying to deserialize it into looks something like…
LimpidCrypto
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- 1
-1
votes
1 answer
How to deserialize csv based on line format
I have a csv without headers that can have lines in these three following formats:
char,int,int,string,int
char,int,string
char
The first character defines the format and be one of the values (A,B,C) respectively. Does anyone know a way to…
ES04r3s
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- 2
-1
votes
1 answer
Owned variable seems to not issue a borrow that lives as long as required by a serde deserialize lifetime
I am trying to write a trait that allows for gzip encode/decode of arbitrary (de)serializable structs. My primary use case is to persist some stateful struct on disk via a clean API. To that end, any time a struct S implements serde's Serialize and…
Aalekh Patel
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-1
votes
1 answer
How to return struct in Rust without 'use of moved value' error?
I think the problem I'm running into with this code is that the struct I'm trying to return has variables that are strings.
Currently I am querying an InfluxDB database and storing the result in the result variable. The print line towards the bottom…
reeslabree
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- 13
-1
votes
1 answer
Borrow checker problems with serde-reflection
I'm trying to use serde-reflection to create a JSON structure explaining the struct structure in order to transfer and receive structs as JavaScript an ArrayBuffer and then de-serialize that into a JavaScript Object in the browser.
I want a way to…
tirithen
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- 65
-1
votes
1 answer
how to not deserialize a specific field
I'm working on a wrapper for a spec called Appstream which consists of an XML file that describes a package to a software center.
I have been struggling with how can I handle a case like this one, the sepc allows you to set a description tag similar…
Bilal Elmoussaoui
- 47
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-1
votes
1 answer
Why must a I specify a lifetime when using a generic type reference in Rust?
I am implementing Rust's TryFrom trait for a serde_json::value::Value reference, and a function that generically converts a Vec into a Vec, where T implements TryFrom<&Value>. Because I must specify a lifetime for the Value reference in my…
Chris Thomas
- 19
- 4
-2
votes
1 answer
Serde and Reqwest gives weird body
I am trying to turn a object into json with serde so I can post it reqwest. However, it doesn't seem to turn into proper json when I do what I believe I have to do.
I have the struct Order:
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct…
RavenMan
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- 1
- 8
-2
votes
1 answer
Rust: write vec of structs to file and then read them in again
How do you efficiently save data to disk in Rust?
I have a vec of ~100m structs in rust. I'd like to write them to a file that isn't too large and then read them again. I'd like to do this as fast as possible.
I'm overwhelmed by the plethora of…
Test
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votes
1 answer
Rust Serialize and Deserialize toml
I'm getting a very useless error from serde.
No matter what I do I can't seem to get this toml file to be put in the structs.
My toml file:
[[list]]
host = "127.0.0.1:8080"
[[list.server_options.Static]]
dir = "somedir"
error_page =…
Rick
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-2
votes
1 answer
Deserializing a struct with custom data types
I am trying to #[derive(Deserialize, Serialize)] some structs that involve other custom structs, so I can transform them in and out of JSON, for example:
#[derive(Debug, Clone, Copy, Deserialize, Serialize)]
pub struct Exercise {
…
Zusier
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-2
votes
2 answers
Trying to loop over JSON keys
i have been wondering how to solve the following problem.
you have a JSON like this and you parse using serde.
{
"student_name": "this guy",
"subjects": [{"Chemistry": 0},
{"Politics": 0},
{"Biology": 0},
…
ImEsteban
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- 5
-3
votes
1 answer
Parsing a valid json string by serde will cause an error - "trailing characters"
I have a Rust library and Ruby project. I call a Rust function from Ruby via FFi.
There's a function in the Rust library that receives a string and converts it into json.
Ruby side:
my_json_raw_str = {
network: {
server_address:…
Korasatavvaku
- 27
- 3
-4
votes
1 answer
Convert all u64 values in JSON to string
I want to write a function in Rust that can parse a JSON string and output a modified JSON with all the number fields converted to string. All other fields should be unchanged. Structure of the JSON string is not known in advance. Here's the desired…
onyb
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