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Optimize Crates2Json::write_to_path: Use to_writer

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which avoids allocating a `Vec<u8>` just to hold serialized data.

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
This commit is contained in:
Jiahao XU 2022-07-21 22:18:08 +10:00
parent d7ae1f242b
commit c2ce265afa
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GPG key ID: 591C0B03040416D6
1 changed files with 2 additions and 1 deletions
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3
src/metafiles/v2.rs
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@ -60,7 +60,8 @@ impl Crates2Json {
} }
pub fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), Crates2JsonParseError> { pub fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), Crates2JsonParseError> {
fs::write(path, &serde_json::to_vec(&self)?)?; let file = fs::File::create(path.as_ref())?;
serde_json::to_writer(file, &self)?;
Ok(()) Ok(())
} }