fix examples

Author: vaaaaanquish

examples/basic/src/main.rs

@@ -97,7 +97,7 @@ fn main() {
     let mut data = Vec::new();
 
     let reader = BufReader::new(File::open("../../xgboost-sys/xgboost/demo/data/agaricus.txt.train").unwrap());
-    let mut current_row = 0;
+    let mut current_row: u64 = 0;
     for line in reader.lines() {
         let line = line.unwrap();
         let sample: Vec<&str> = line.split_whitespace().collect();
@@ -106,16 +106,16 @@ fn main() {
         for entry in &sample[1..] {
             let pair: Vec<&str> = entry.split(':').collect();
             rows.push(current_row);
-            cols.push(pair[0].parse::<usize>().unwrap());
+            cols.push(pair[0].parse::<u64>().unwrap());
             data.push(pair[1].parse::<f32>().unwrap());
         }
 
         current_row += 1;
     }
 
     // work out size of sparse matrix from max row/col values
-    let shape = (*rows.iter().max().unwrap() + 1 as usize,
-                 *cols.iter().max().unwrap() + 1 as usize);
+    let shape = ((*rows.iter().max().unwrap() + 1) as usize,
+                 (*cols.iter().max().unwrap() + 1) as usize);
     let triplet_mat = sprs::TriMatBase::from_triplets(shape, rows, cols, data);
     let csr_mat = triplet_mat.to_csr();
 

examples/multiclass_classification/Cargo.toml

@@ -8,4 +8,4 @@ publish = false
 xgboost = { path = "../../" }
 log = "0.4"
 env_logger = "0.5"
-reqwest = "0.8"
+reqwest = { version = "0.11", features = ["blocking"] }

examples/multiclass_classification/src/main.rs

@@ -73,7 +73,7 @@ fn download_dataset<P: AsRef<Path>>(dst: P) {
     }
 
     debug!("Fetching training dataset from {}", url);
-    let mut response = reqwest::get(url).expect("failed to download training set data");
+    let mut response = reqwest::blocking::get(url).expect("failed to download training set data");
 
     let file = File::create(dst).expect(&format!("failed to create file {}", dst.display()));
     let mut writer = BufWriter::new(file);