create FutureMoveConfig

benches/future_children.rs

@@ -1,12 +1,18 @@
 use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
 use othello::{
-    logic::FutureMoves,
+    logic::{FutureMoveConfig, FutureMoves},
     repr::{Board, Piece},
 };
 use std::time::Duration;
 
 fn extend_layers_test(depth: usize) {
-    let mut fut = FutureMoves::new(Piece::Black, depth);
+    let config = FutureMoveConfig {
+        max_depth: depth,
+        start_pruning_at_minus: 4,
+        top_k_children: 2,
+        up_to_mod: 4,
+    };
+    let mut fut = FutureMoves::new(Piece::Black, config);
     fut.set_root_from_board(Board::new().starting_pos());
     fut.extend_layers();
 }