postcard instead of bincode

lib/Cargo.toml

@@ -12,40 +12,16 @@ description = "Библиотека для доступа к файлу базы
 [features]
 default = []
 sync = ["zstd", "memmap"]
-async = [
-    "futures",
-    "futures-core",
-    "futures-util",
-    "fmmap",
-    "tokio",
-    "async-compression",
-    "async-stream",
-    "pin-project",
-]
+async = ["futures", "futures-core", "futures-util", "fmmap", "tokio", "async-compression", "async-stream", "pin-project"]
 source = ["zip"]
-source_async = [
-    "async_zip",
-    "tokio",
-    "futures",
-    "futures-core",
-    "futures-util",
-    "async-stream",
-]
+source_async = ["async_zip", "tokio", "futures", "futures-core", "futures-util", "async-stream"]
 convert = ["zip"]
-convert_async = [
-    "futures",
-    "futures-core",
-    "futures-util",
-    "async-stream",
-    "async_zip",
-    "tokio",
-]
+convert_async = ["futures", "futures-core", "futures-util", "async-stream", "async_zip", "tokio"]
 
 [dependencies]
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-bincode = "^2.0.0-rc.2"
 zip = { version = "0.6", optional = true }
 async_zip = { version = "0.0.15" , features = [
     "zstd",
@@ -70,6 +46,7 @@ async-stream = { version = "0.3", optional = true }
 zstd = { version = "^0.12", default-features = false, optional = true }
 memmap = { version = "0.7.0", optional = true }
 pin-project = { version = "1.1.3", optional = true }
+postcard = { version = "1.0.6", default-features = false, features = ["use-std"] }
 
 [dev-dependencies]
 insta = { version = "1.31.0", features = ["yaml"] }

lib/src/questions.rs

@@ -1,8 +1,6 @@
 use serde_derive::{Deserialize, Serialize};
 
-#[derive(
-    Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode, PartialEq,
-)]
+#[derive(Debug, Default, Clone, Serialize, Deserialize, PartialEq)]
 pub struct BatchInfo {
     #[serde(default, skip_serializing_if = "String::is_empty")]
     pub filename: String,
@@ -32,9 +30,7 @@ pub struct BatchInfo {
     pub rating: String,
 }
 
-#[derive(
-    Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode, PartialEq,
-)]
+#[derive(Debug, Default, Clone, Serialize, Deserialize, PartialEq)]
 pub struct Question {
     #[serde(default, skip_serializing_if = "u32_is_zero")]
     pub num: u32,

lib/src/util.rs

@@ -12,46 +12,3 @@ where
         self.map_err(|e| e.to_string())
     }
 }
-
-#[cfg(any(feature = "sync", feature = "async"))]
-mod bincode_utils {
-    use std::ops::{Deref, DerefMut};
-
-    use bincode::enc::write::Writer;
-    use bincode::error::EncodeError;
-
-    /// struct that allows [`Vec<u8>`] to implement [bincode::enc::write::Writer] trait
-    pub struct BincodeVecWriter {
-        vec: Vec<u8>,
-    }
-
-    impl BincodeVecWriter {
-        pub fn new(vec: Vec<u8>) -> BincodeVecWriter {
-            BincodeVecWriter { vec }
-        }
-    }
-
-    impl Deref for BincodeVecWriter {
-        type Target = Vec<u8>;
-
-        fn deref(&self) -> &Self::Target {
-            &self.vec
-        }
-    }
-
-    impl DerefMut for BincodeVecWriter {
-        fn deref_mut(&mut self) -> &mut Self::Target {
-            &mut self.vec
-        }
-    }
-
-    impl Writer for BincodeVecWriter {
-        fn write(&mut self, bytes: &[u8]) -> Result<(), EncodeError> {
-            self.vec.extend_from_slice(bytes);
-            Ok(())
-        }
-    }
-}
-
-#[cfg(any(feature = "sync", feature = "async"))]
-pub use bincode_utils::BincodeVecWriter;