style: fix deprecations

Use `dyn` for trait objects and use `..=` for inclusive ranges.

2 files changed, 4 insertions, 3 deletions

diff --git a/src/config.rs b/src/config.rs
index a5e492ec..f0f7929c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -55,7 +55,7 @@ pub fn args() -> Vec<OsString> {
 /// for each line in addition to successfully parsed arguments.
 fn parse<P: AsRef<Path>>(
     path: P,
-) -> Result<(Vec<OsString>, Vec<Box<Error>>)> {
+) -> Result<(Vec<OsString>, Vec<Box<dyn Error>>)> {
     let path = path.as_ref();
     match File::open(&path) {
         Ok(file) => parse_reader(file),
@@ -76,7 +76,7 @@ fn parse<P: AsRef<Path>>(
 /// in addition to successfully parsed arguments.
 fn parse_reader<R: io::Read>(
     rdr: R,
-) -> Result<(Vec<OsString>, Vec<Box<Error>>)> {
+) -> Result<(Vec<OsString>, Vec<Box<dyn Error>>)> {
     let bufrdr = io::BufReader::new(rdr);
     let (mut args, mut errs) = (vec![], vec![]);
     let mut line_number = 0;
diff --git a/src/main.rs b/src/main.rs
index bed33296..6c8826b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use std::error;
 use std::io::{self, Write};
 use std::process;
 use std::sync::{Arc, Mutex};
@@ -42,7 +43,7 @@ mod subject;
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
-type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
+type Result<T> = ::std::result::Result<T, Box<dyn error::Error>>;
 
 fn main() {
     if let Err(err) = Args::parse().and_then(try_main) {