small cleanup to pin code

Author: MarcusDunn

llama-cpp-2/src/model/params.rs

@@ -59,7 +59,7 @@ impl LlamaModelParams {
     /// # use llama_cpp_2::model::params::kv_overrides::ParamOverrideValue;
     /// let mut params = pin!(LlamaModelParams::default());
     /// let key = CString::new("key").expect("CString::new failed");
-    /// params.append_kv_override(&key, ParamOverrideValue::Int(50));
+    /// params.as_mut().append_kv_override(&key, ParamOverrideValue::Int(50));
     ///
     /// let kv_overrides = params.kv_overrides().into_iter().collect::<Vec<_>>();
     /// assert_eq!(kv_overrides.len(), 1);
@@ -71,7 +71,7 @@ impl LlamaModelParams {
     /// ```
     #[allow(clippy::missing_panics_doc)] // panics are just to enforce internal invariants, not user errors
     pub fn append_kv_override(
-        self: &mut Pin<&mut Self>,
+        mut self: Pin<&mut Self>,
         key: &CStr,
         value: kv_overrides::ParamOverrideValue,
     ) {

simple/src/main.rs

@@ -6,8 +6,7 @@
     clippy::cast_sign_loss
 )]
 
-use std::collections::BTreeMap;
-use std::ffi::{CStr, CString};
+use std::ffi::CString;
 use anyhow::{anyhow, bail, Context, Result};
 use clap::Parser;
 use hf_hub::api::sync::ApiBuilder;
@@ -125,7 +124,7 @@ fn main() -> Result<()> {
 
     for (k, v) in key_value_overrides.iter() {
         let k = CString::new(k.as_bytes()).with_context(|| format!("invalid key: {}", k))?;
-        model_params.append_kv_override(k.as_c_str(), *v);
+        model_params.as_mut().append_kv_override(k.as_c_str(), *v);
     }
 
     let model_path = model