Merge pull request #2926 from Shadowcat650/vec-with-capacity

chore: use `Vec::with_capacity` instead of `vec![]` in sse vector decode

Author: fzyzcjy

frb_codegen/assets/integration_template/shared/REPLACE_ME_RUST_CRATE_DIR/src/frb_generated.rs

@@ -125,7 +125,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }

frb_codegen/src/library/codegen/generator/codec/sse/ty/general_list.rs

@@ -49,7 +49,7 @@ pub(super) fn general_list_generate_decode(
             "<{}>[]",
             ApiDartGenerator::new(mir_inner.clone(), context.as_api_dart_context()).dart_api_type()
         ),
-        Lang::RustLang(_) => "vec![]".to_owned(),
+        Lang::RustLang(_) => "Vec::with_capacity(len_ as usize)".to_owned(),
     };
     let list_push = match lang {
         Lang::DartLang(_) => "add",

frb_example/flutter_package/rust/src/frb_generated.rs

@@ -125,7 +125,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }

frb_example/flutter_via_create/rust/src/frb_generated.rs

@@ -125,7 +125,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }

frb_example/flutter_via_integrate/rust/src/frb_generated.rs

@@ -125,7 +125,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }

frb_example/gallery/rust/src/frb_generated.rs

@@ -128,7 +128,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }

frb_example/integrate_third_party/rust/src/frb_generated.rs

@@ -30995,7 +30995,7 @@ impl SseDecode for Vec<MediaStreamTrack> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<MediaStreamTrack>::sse_decode(deserializer));
         }
@@ -31007,7 +31007,7 @@ impl SseDecode for Vec<web_audio_api::AudioParamDescriptor> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<web_audio_api::AudioParamDescriptor>::sse_decode(
                 deserializer,
@@ -31021,7 +31021,7 @@ impl SseDecode for Vec<Vec<f32>> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<Vec<f32>>::sse_decode(deserializer));
         }
@@ -31033,7 +31033,7 @@ impl SseDecode for Vec<f32> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<f32>::sse_decode(deserializer));
         }
@@ -31045,7 +31045,7 @@ impl SseDecode for Vec<f64> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<f64>::sse_decode(deserializer));
         }
@@ -31057,7 +31057,7 @@ impl SseDecode for Vec<u8> {
     // Codec=Sse (Serialization based), see doc to use other codecs
     fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
         let mut len_ = <i32>::sse_decode(deserializer);
-        let mut ans_ = vec![];
+        let mut ans_ = Vec::with_capacity(len_ as usize);
         for idx_ in 0..len_ {
             ans_.push(<u8>::sse_decode(deserializer));
         }