Simplify default Result generics.

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/log/capture/util.rs

@@ -22,7 +22,7 @@ where
 
 pub fn fmt<F, S>(fun: F, out: Arc<Mutex<S>>) -> Box<Closure>
 where
-	F: Fn(&mut S, &Level, &str, &str) -> Result<()> + Send + Sync + Copy + 'static,
+	F: Fn(&mut S, &Level, &str, &str) -> Result + Send + Sync + Copy + 'static,
 	S: std::fmt::Write + Send + 'static,
 {
 	Box::new(move |data| call(fun, &mut *out.lock().expect("locked"), &data))
@@ -30,7 +30,7 @@ where
 
 fn call<F, S>(fun: F, out: &mut S, data: &Data<'_>)
 where
-	F: Fn(&mut S, &Level, &str, &str) -> Result<()>,
+	F: Fn(&mut S, &Level, &str, &str) -> Result,
 	S: std::fmt::Write,
 {
 	fun(out, &data.level(), data.span_name(), data.message()).expect("log line appended");

src/core/log/fmt.rs

@@ -3,7 +3,7 @@ use std::fmt::Write;
 use super::{Level, color};
 use crate::Result;
 
-pub fn html<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result<()>
+pub fn html<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result
 where
 	S: Write + ?Sized,
 {
@@ -18,7 +18,7 @@ where
 	Ok(())
 }
 
-pub fn markdown<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result<()>
+pub fn markdown<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result
 where
 	S: Write + ?Sized,
 {
@@ -28,7 +28,7 @@ where
 	Ok(())
 }
 
-pub fn markdown_table<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result<()>
+pub fn markdown_table<S>(out: &mut S, level: &Level, span: &str, msg: &str) -> Result
 where
 	S: Write + ?Sized,
 {
@@ -38,7 +38,7 @@ where
 	Ok(())
 }
 
-pub fn markdown_table_head<S>(out: &mut S) -> Result<()>
+pub fn markdown_table_head<S>(out: &mut S) -> Result
 where
 	S: Write + ?Sized,
 {

src/core/log/reload.rs

@@ -49,7 +49,7 @@ impl LogLevelReloadHandles {
 			.insert(name.into(), handle);
 	}
 
-	pub fn reload(&self, new_value: &EnvFilter, names: Option<&[&str]>) -> Result<()> {
+	pub fn reload(&self, new_value: &EnvFilter, names: Option<&[&str]>) -> Result {
 		self.handles
 			.lock()
 			.expect("locked")