Swap ryu with zmij

It's faster.

Author: Thomasdezeeuw

Cargo.toml

@@ -26,9 +26,9 @@ nightly   = []
 
 [dependencies]
 log        = { version = "0.4.21", default-features = false, features = ["kv_std"] }
-itoa       = { version = "1.0.1", default-features = false }
-ryu        = { version = "1.0.5", default-features = false }
-serde      = { version = "1",     default-features = false, optional = true }
+itoa       = { version = "1.0.1",  default-features = false }
+zmij       = { version = "1.0.16", default-features = false }
+serde      = { version = "1",      default-features = false, optional = true }
 
 [dev-dependencies]
 libc       = { version = "0.2.86", default-features = false }

src/format/json.rs

@@ -212,8 +212,8 @@ impl<'b, 'v> VisitValue<'v> for KeyValueVisitor<'b> {
     }
 
     fn visit_f64(&mut self, value: f64) -> Result<(), kv::Error> {
-        let mut ryu = ryu::Buffer::new();
-        self.0.extend_from_slice(ryu.format(value).as_bytes());
+        let mut buf = zmij::Buffer::new();
+        self.0.extend_from_slice(buf.format(value).as_bytes());
         Ok(())
     }
 

src/format/logfmt.rs

@@ -191,8 +191,8 @@ impl<'b, 'v> VisitValue<'v> for KeyValueVisitor<'b> {
     }
 
     fn visit_f64(&mut self, value: f64) -> Result<(), kv::Error> {
-        let mut ryu = ryu::Buffer::new();
-        self.0.extend_from_slice(ryu.format(value).as_bytes());
+        let mut buf = zmij::Buffer::new();
+        self.0.extend_from_slice(buf.format(value).as_bytes());
         Ok(())
     }