[*] Booster::from_bytes implemented.

Author: npatsakula

src/booster.rs

@@ -18,6 +18,20 @@ impl Booster {
  Booster { handle }
  }
 
+ /// Initialize model from bytes.
+ pub fn from_bytes(bytes: &[u8]) -> Result<Self> {
+ let booster_str = CString::new(bytes).unwrap();
+ let mut out_num_iteration = 0;
+ let mut handle = std::ptr::null_mut();
+ lgbm_call!(lightgbm_sys::LGBM_BoosterLoadModelFromString(
+ booster_str.as_ptr().cast(),
+ &mut out_num_iteration,
+ &mut handle
+ ))?;
+
+ Ok(Booster::new(handle))
+ }
+
  /// Init from model file.
  pub fn from_file(filename: &str) -> Result<Self> {
  let filename_str = CString::new(filename).unwrap();