Fix solve_with_parameters

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cp_sat"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2018"
 description = "Rust bindings to the Google CP-SAT constraint programming solver."
 documentation = "https://docs.rs/cp_sat"

src/builder.rs

@@ -303,14 +303,12 @@ impl CpModelBuilder {
     ///
     /// ```
     /// # use cp_sat::builder::CpModelBuilder;
-    /// # use cp_sat::proto::{CpSolverStatus, SatParameters};
+    /// # use cp_sat::proto::CpSolverStatus;
     /// let mut model = CpModelBuilder::default();
     /// let x = model.new_int_var([(0, 100)]);
     /// let y = model.new_bool_var();
     /// model.add_hint(x, 42);
     /// model.add_hint(y, 1);
-    /// model.add_ge([(1, x), (3, y.into())], 3);
-    /// model.maximize(y);
     /// let response = model.solve();
     /// assert_eq!(response.status(), CpSolverStatus::Optimal);
     /// ```

src/cp_sat_wrapper.cpp

@@ -37,7 +37,7 @@ cp_sat_wrapper_solve(
     assert(res);
 
     sat::SatParameters params;
-    res = model.ParseFromArray(params_buf, params_size);
+    res = params.ParseFromArray(params_buf, params_size);
     assert(res);
 
     sat::CpSolverResponse response = sat::SolveWithParameters(model, params);

tests/sat_parameters.rs

@@ -0,0 +1,12 @@
+use cp_sat::builder::CpModelBuilder;
+use cp_sat::proto::{CpSolverStatus, SatParameters};
+
+#[test]
+fn simple_sat_parameters() {
+    let mut model = CpModelBuilder::default();
+    let x = model.new_bool_var();
+    let params = SatParameters::default();
+    let response = model.solve_with_parameters(&params);
+    assert_eq!(response.status(), CpSolverStatus::Optimal);
+    let _x_value = x.solution_value(&response);
+}