Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-api/src/legacy_protocol/json.rs')
-rw-r--r--crates/proc-macro-api/src/legacy_protocol/json.rs5
1 files changed, 3 insertions, 2 deletions
diff --git a/crates/proc-macro-api/src/legacy_protocol/json.rs b/crates/proc-macro-api/src/legacy_protocol/json.rs
index ec89f6a9e6..c8f774031b 100644
--- a/crates/proc-macro-api/src/legacy_protocol/json.rs
+++ b/crates/proc-macro-api/src/legacy_protocol/json.rs
@@ -1,6 +1,7 @@
//! Protocol functions for json.
use std::io::{self, BufRead, Write};
+/// Reads a JSON message from the input stream.
pub fn read_json<'a>(
inp: &mut impl BufRead,
buf: &'a mut String,
@@ -26,10 +27,10 @@ pub fn read_json<'a>(
}
}
+/// Writes a JSON message to the output stream.
pub fn write_json(out: &mut impl Write, msg: &str) -> io::Result<()> {
tracing::debug!("> {}", msg);
out.write_all(msg.as_bytes())?;
out.write_all(b"\n")?;
- out.flush()?;
- Ok(())
+ out.flush()
}