fixes

Chapter10/command-line-args/src/main.rs

@@ -16,7 +16,7 @@ impl Exclusion {
 fn walk(
     dir: &Path,
     exclusion: &Option<Exclusion>,
-    cb: &Fn(&DirEntry),
+    cb: &dyn Fn(&DirEntry),
     recurse: bool,
 ) -> io::Result<()> {
     for entry in dir.read_dir()? {
@@ -86,7 +86,6 @@ fn main() -> io::Result<()> {
         )
         .get_matches();
 
-    let filter_conf = matches.value_of("match").unwrap_or("");
     let recurse = matches.is_present("recursive");
     let exclusions = matches.value_of("exclude").map(|e| Exclusion(e.into()));
 

Chapter10/logging/log4rs.yml

@@ -1,4 +1,3 @@
-# Scan this file for changes every 30 seconds
 refresh_rate: 30 seconds
 
 appenders:
@@ -21,4 +20,3 @@ loggers:
     level: info
     appenders:
       - outfile
-    additive: false

Chapter10/logging/outfile.log

@@ -1,2 +1 @@
-2019-08-20T13:18:17.023781824+02:00 - WARNING, stuff is breaking down
-2019-08-21T18:50:13.813701633+02:00 - WARNING, stuff is breaking down
+2019-09-01T12:45:25.256922311+02:00 - WARNING, stuff is breaking down

Chapter10/logging/src/main.rs

@@ -50,7 +50,7 @@ fn log_some_stuff() {
     error!("ERROR: stopping ...");
 }
 
-const USE_CUSTOM: bool = false;
+const USE_CUSTOM: bool = true;
 
 fn main() {
     if USE_CUSTOM { 

Chapter10/sub-processes/src/main.rs

@@ -4,9 +4,12 @@ use std::process::{Command, Stdio};
 
 fn main() -> Result<(), Box<dyn Error + Send + Sync + 'static>> {
     let mut ls_child = Command::new("ls");
+    if !cfg!(target_os = "windows") {
         ls_child.args(&["-alh"]);
-    ls_child.status()?;
+    }
+    println!("{}", ls_child.status()?);
     ls_child.current_dir("src/");
+    println!("{}", ls_child.status()?);
 
     let env_child = Command::new("env")
         .env("CANARY", "0x5ff")
@@ -14,7 +17,10 @@ fn main() -> Result<(), Box<dyn Error + Send + Sync + 'static>> {
         .spawn()?;
 
     let env_output = &env_child.wait_with_output()?;
-    let canary = String::from_utf8_lossy(&env_output.stdout).split_ascii_whitespace().filter(|line| *line == "CANARY=0x5ff").count();
+    let canary = String::from_utf8_lossy(&env_output.stdout)
+        .split_ascii_whitespace()
+        .filter(|line| *line == "CANARY=0x5ff")
+        .count();
 
     // found it!
     assert_eq!(canary, 1);