style: Make imports consistent

Author: epage

examples/async_source/main.rs

@@ -1,10 +1,9 @@
 use std::{error::Error, fmt::Debug};
 
+use async_trait::async_trait;
 use config::{
     builder::AsyncState, AsyncSource, ConfigBuilder, ConfigError, FileFormat, Format, Map,
 };
-
-use async_trait::async_trait;
 use futures::{select, FutureExt};
 use warp::Filter;
 

examples/custom_file_format/main.rs

@@ -1,6 +1,7 @@
-use config::{Config, File, FileStoredFormat, Format, Map, Value, ValueKind};
 use std::io::{Error, ErrorKind};
 
+use config::{Config, File, FileStoredFormat, Format, Map, Value, ValueKind};
+
 /// The private and public key sources will be read into their associated variable:
 #[derive(serde_derive::Deserialize, Clone, Debug)]
 pub struct Settings {

examples/glob/main.rs

@@ -1,8 +1,9 @@
-use config::{Config, File};
-use glob::glob;
 use std::collections::HashMap;
 use std::path::Path;
 
+use config::{Config, File};
+use glob::glob;
+
 fn main() {
     // Option 1
     // --------

examples/global/main.rs

@@ -1,9 +1,10 @@
 #![allow(deprecated)]
-use config::Config;
 use std::error::Error;
 use std::sync::OnceLock;
 use std::sync::RwLock;
 
+use config::Config;
+
 fn settings() -> &'static RwLock<Config> {
     static CONFIG: OnceLock<RwLock<Config>> = OnceLock::new();
     CONFIG.get_or_init(|| RwLock::new(Config::default()))

examples/hierarchical-env/settings.rs

@@ -1,6 +1,7 @@
+use std::env;
+
 use config::{Config, ConfigError, Environment, File};
 use serde_derive::Deserialize;
-use std::env;
 
 #[derive(Debug, Deserialize)]
 #[allow(unused)]

examples/simple/main.rs

@@ -1,6 +1,7 @@
-use config::Config;
 use std::collections::HashMap;
 
+use config::Config;
+
 fn main() {
     let settings = Config::builder()
         // Add in `./Settings.toml`

examples/watch/main.rs

@@ -1,13 +1,14 @@
 #![allow(deprecated)]
-use config::{Config, File};
-use notify::{Event, RecommendedWatcher, RecursiveMode, Watcher};
 use std::collections::HashMap;
 use std::path::Path;
 use std::sync::mpsc::channel;
 use std::sync::OnceLock;
 use std::sync::RwLock;
 use std::time::Duration;
 
+use config::{Config, File};
+use notify::{Event, RecommendedWatcher, RecursiveMode, Watcher};
+
 fn settings() -> &'static RwLock<Config> {
     static CONFIG: OnceLock<RwLock<Config>> = OnceLock::new();
     CONFIG.get_or_init(|| {

src/config.rs

@@ -1,9 +1,9 @@
 use std::fmt::Debug;
 
-use crate::builder::{ConfigBuilder, DefaultState};
 use serde::de::Deserialize;
 use serde::ser::Serialize;
 
+use crate::builder::{ConfigBuilder, DefaultState};
 use crate::error::{ConfigError, Result};
 use crate::map::Map;
 use crate::path;

src/env.rs

@@ -1,13 +1,13 @@
 use std::env;
 
+#[cfg(feature = "convert-case")]
+use convert_case::{Case, Casing};
+
 use crate::error::Result;
 use crate::map::Map;
 use crate::source::Source;
 use crate::value::{Value, ValueKind};
 
-#[cfg(feature = "convert-case")]
-use convert_case::{Case, Casing};
-
 /// An environment source collects a dictionary of environment variables values into a hierarchical
 /// config Value type. We have to be aware how the config tree is created from the environment
 /// dictionary, therefore we are mindful about prefixes for the environment keys, level separators,

src/file/mod.rs

@@ -4,15 +4,14 @@ pub(crate) mod source;
 use std::fmt::Debug;
 use std::path::{Path, PathBuf};
 
+use self::source::FileSource;
 use crate::error::{ConfigError, Result};
 use crate::map::Map;
 use crate::source::Source;
 use crate::value::Value;
 use crate::Format;
 
 pub use self::format::FileFormat;
-use self::source::FileSource;
-
 pub use self::source::file::FileSourceFile;
 pub use self::source::string::FileSourceString;