Add missing correction behaviour to the other types of benchmarks

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "benchlib-rs"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Trivernis <trivernis@gmail.com>"]
 edition = "2018"
 license-file = "LICENSE"

src/benching.rs

@@ -195,7 +195,12 @@ impl Bencher {
             for _ in 0..self.iterations {
                 let start = Instant::now();
                 func();
-                durations.push(start.elapsed());
+                let duration = start.elapsed();
+                if duration > self.bench_duration {
+                    durations.push(duration - self.bench_duration);
+                } else {
+                    durations.push(duration);
+                }
             }
         }
         println!("Result: {}", durations);