perf: parser function

src/to-json/src/convert.rs

@@ -2,9 +2,9 @@ use crate::parser::{parser, Value};
 
 fn json_convert(content: &str) -> Result<String, String> { // convert to JSON format
     let data = match parser(content)? {
-        Value::JSON(_json) => serde_json::to_string(&_json),
+        Value::JSON(json) => serde_json::to_string(&json),
-        Value::YAML(_yaml) => serde_json::to_string(&_yaml),
+        Value::YAML(yaml) => serde_json::to_string(&yaml),
-        Value::TOML(_toml) => serde_json::to_string(&_toml),
+        Value::TOML(toml) => serde_json::to_string(&toml),
     };
     match data {
         Ok(data) => Ok(data),

src/to-json/src/ffi.rs

@@ -12,7 +12,7 @@ unsafe fn load_c_string(ptr: *const c_char) -> String { // load string from c-st
 }
 
 #[no_mangle]
-pub unsafe extern "C" fn free_rust_string(ptr: *const c_char) {
+pub unsafe extern "C" fn free_rust_string(ptr: *const c_char) { // free string memory
     let _ = CString::from_raw(ptr as *mut _);
 }