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chore: rename MaxFilter to LevelFilter #23

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merged 2 commits into from
Aug 2, 2024
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andylokandy
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@@ -36,8 +35,7 @@ pub struct Stderr;

impl Append for Stderr {
fn append(&self, record: &log::Record) -> anyhow::Result<()> {
let bytes = format!("{}\n", record.args()).into_bytes();
std::io::stderr().write_all(&bytes)?;
writeln!(std::io::stderr(), "{}", record.args())?;
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@tisonkun tisonkun Aug 2, 2024

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I don't check in details but IIRC fern has some related tricks to avoid deadlock in logging.

Check - https://docs.rs/fern/0.6.2/fern/meta/index.html

And @Xuanwo ever encountered similar situation (dead lock in fmt).

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And we only call format to alloc the string then write the bytes. IIRC it won't alloc twice?

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it make sense

@@ -36,8 +35,7 @@ pub struct Stderr;

impl Append for Stderr {
fn append(&self, record: &log::Record) -> anyhow::Result<()> {
let bytes = format!("{}\n", record.args()).into_bytes();
std::io::stderr().write_all(&bytes)?;
writeln!(std::io::stderr(), "{}", record.args())?;
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And we only call format to alloc the string then write the bytes. IIRC it won't alloc twice?

@andylokandy andylokandy changed the title chore: reduce one allocation in stdio append chore: rename MaxFilter to LevelFilter Aug 2, 2024
@andylokandy andylokandy enabled auto-merge (squash) August 2, 2024 06:22
@andylokandy andylokandy disabled auto-merge August 2, 2024 06:22
@andylokandy andylokandy enabled auto-merge (squash) August 2, 2024 06:22
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2 participants