Removed expand_tokens from public api

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "grafton-config"
-version = "0.1.3"
+version = "0.2.0"
 edition = "2021"
 authors = ["Grant Sparks <[email protected]>"]
 description = "Load configuration from toml files with token variable expansion and environment overrides"

readme.md

@@ -128,7 +128,6 @@ database_url = "postgresql://user:password@${server.host}:${server.port}/mydb"
 ## API Reference
 
 - `load_config_from_dir(path: &str) -> Result<T, Error>`: Load and parse configuration from a directory
-- `expand_tokens(config: &mut T) -> Result<(), Error>`: Expand tokens in a configuration struct
 - `GraftonConfig`: Trait for Grafton configuration structs
 - `TokenExpandingConfig`: Trait for configuration structs that support token expansion
 

src/lib.rs

@@ -13,7 +13,7 @@ pub use error::Error;
 use serde::{de::DeserializeOwned, Serialize};
 
 pub use {
-    config::GraftonConfig, config_loader::load_config_from_dir, token_expander::expand_tokens,
+    config::GraftonConfig, config_loader::load_config_from_dir, 
 };
 
 pub trait GraftonConfigProvider: TokenExpandingConfig {

src/token_expander.rs

@@ -15,23 +15,6 @@ static TOKEN_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"(\\*)\$\{(.*?)\}").u
 ///
 /// It may also return other errors that are specific to token expansion failures.
 ///
-/// # Examples
-///
-/// ```
-/// use serde_json::json;
-/// use crate::grafton_config::expand_tokens;
-///
-/// let input = json!({
-///     "firstName": "John",
-///     "lastName": "Doe",
-///     "fullName": "${firstName} ${lastName}",
-///     "greeting": "Hello, ${fullName}!"
-/// });
-///
-/// let expanded = expand_tokens(&input).unwrap();
-/// assert_eq!(expanded["fullName"], "John Doe");
-/// assert_eq!(expanded["greeting"], "Hello, John Doe!");
-/// ```
 pub fn expand_tokens(val: &Value) -> Result<Value, Error> {
     expand_tokens_helper(val, val, 0, "")
 }