feat: add ser/configrs

__serialization/configrs/Cargo.lock

@@ -0,0 +1,247 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
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+dependencies = [
+ "linked-hash-map 0.5.3",
+]

__serialization/configrs/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "configrs"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+config = "0.10"
+
+

__serialization/configrs/Settings.toml

@@ -0,0 +1,3 @@
+debug = false
+priority = 32
+key = "189rjfadoisfj8923fjio"

__serialization/configrs/src/main.rs

@@ -0,0 +1,14 @@
+use std::collections::HashMap;
+
+fn main() {
+    let mut settings = config::Config::default();
+    settings
+        // Add in `./Settings.toml`
+        .merge(config::File::with_name("Settings")).unwrap()
+        // Add in settings from the environment (with a prefix of APP)
+        // Eg.. `APP_DEBUG=1 ./target/app` would set the `debug` key
+        .merge(config::Environment::with_prefix("APP")).unwrap();
+
+    // Print out our settings (as a HashMap)
+    println!("{:?}", settings.try_into::<HashMap<String, String>>().unwrap());
+}