[−][src]Function lightgbm_sys::LGBM_BoosterSetLeafValue
pub unsafe extern "C" fn LGBM_BoosterSetLeafValue(
handle: BoosterHandle,
tree_idx: c_int,
leaf_idx: c_int,
val: f64
) -> c_int
\brief Set leaf value. \param handle Handle of booster \param tree_idx Index of tree \param leaf_idx Index of leaf \param val Leaf value \return 0 when succeed, -1 when failure happens