merge imports

rustfmt.toml

@@ -0,0 +1,2 @@
+# https://github.com/rust-lang/rustfmt/issues/4991
+#imports_granularity = "Crate"

src/lib.rs

@@ -213,12 +213,13 @@ extern crate lazy_static;
 mod test;
 
 use heck::{ToShoutySnakeCase, ToSnakeCase};
-use std::collections::{BTreeMap, HashMap};
-use std::env;
-use std::fmt;
-use std::ops::RangeBounds;
-use std::path::{Path, PathBuf};
-use std::str::FromStr;
+use std::{
+    collections::{BTreeMap, HashMap},
+    env, fmt,
+    ops::RangeBounds,
+    path::{Path, PathBuf},
+    str::FromStr,
+};
 
 mod metadata;
 use metadata::MetaData;

src/metadata.rs

@@ -2,8 +2,10 @@
 
 use std::{fmt, fs, io::Read, path::Path};
 
-use toml::de::{DeArray, DeTable, DeValue};
-use toml::Spanned;
+use toml::{
+    de::{DeArray, DeTable, DeValue},
+    Spanned,
+};
 
 #[derive(Debug, PartialEq)]
 pub(crate) struct MetaData {

src/test.rs

@@ -1,10 +1,12 @@
 use itertools::Itertools;
-use std::cell::Cell;
-use std::collections::HashMap;
-use std::env;
-use std::path::{Path, PathBuf};
-use std::rc::Rc;
-use std::sync::Mutex;
+use std::{
+    cell::Cell,
+    collections::HashMap,
+    env,
+    path::{Path, PathBuf},
+    rc::Rc,
+    sync::Mutex,
+};
 
 use assert_matches::assert_matches;