Updates for 0.4.0

Cargo.toml

@@ -7,7 +7,7 @@ license = "MIT/Apache-2.0"
 name = "hyperfine"
 readme = "README.md"
 repository = "https://github.com/sharkdp/hyperfine"
-version = "0.3.0"
+version = "0.4.0"
 
 [dependencies]
 colored = "1.6"

README.md

@@ -16,6 +16,7 @@ A command-line benchmarking tool (*inspired by [bench](https://github.com/Gabrie
 * Constant feedback about the benchmark progress and current estimates.
 * Warmup runs can be executed before the actual benchmark.
 * Cache-clearing commands can be set up before each timing run.
+* Statisical outlier detection.
 
 ## Usage
 
@@ -76,8 +77,8 @@ yaourt -S hyperfine
 Download the appropriate `.deb` package from the [Release page](https://github.com/sharkdp/hyperfine/releases)
 and install it via `dpkg`:
 ```
-wget https://github.com/sharkdp/hyperfine/releases/download/v0.3.0/hyperfine_0.3.0_amd64.deb
-sudo dpkg -i hyperfine_0.3.0_amd64.deb
+wget https://github.com/sharkdp/hyperfine/releases/download/v0.4.0/hyperfine_0.4.0_amd64.deb
+sudo dpkg -i hyperfine_0.4.0_amd64.deb
 ```
 
 

src/hyperfine/benchmark.rs

@@ -129,7 +129,7 @@ pub fn mean_shell_spawning_time(style: &OutputStyleOption) -> io::Result<TimingR
 fn run_preparation_command(command: &Option<String>) -> io::Result<()> {
     if let &Some(ref preparation_command) = command {
         let res = time_shell_command(preparation_command, CmdFailureAction::RaiseError, None);
-        if let Err(_) = res {
+        if res.is_err() {
             return Err(io::Error::new(
                 io::ErrorKind::Other,
                 "The preparation command terminated with a non-zero exit code. \

src/hyperfine/internal.rs

@@ -62,16 +62,16 @@ impl Default for HyperfineOptions {
 
 /// Return a pre-configured progress bar
 pub fn get_progress_bar(length: u64, msg: &str, option: &OutputStyleOption) -> ProgressBar {
-    let progressbar_style = match option {
-        &OutputStyleOption::Basic => ProgressStyle::default_bar(),
-        &OutputStyleOption::Full => ProgressStyle::default_spinner()
-            .tick_chars("⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏")
-            .template(" {spinner} {msg:<30} {wide_bar} ETA {eta_precise}"),
+    let progressbar_style = match *option {
+        OutputStyleOption::Basic => ProgressStyle::default_bar(),
+        OutputStyleOption::Full => ProgressStyle::default_spinner()
+           .tick_chars("⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏")
+           .template(" {spinner} {msg:<30} {wide_bar} ETA {eta_precise}"),
     };
 
-    let progress_bar = match option {
-        &OutputStyleOption::Basic => ProgressBar::hidden(),
-        &OutputStyleOption::Full => ProgressBar::new(length),
+    let progress_bar = match *option {
+        OutputStyleOption::Basic => ProgressBar::hidden(),
+        OutputStyleOption::Full => ProgressBar::new(length),
     };
     progress_bar.set_style(progressbar_style.clone());
     progress_bar.enable_steady_tick(80);

src/hyperfine/outlier_detection.rs

@@ -13,16 +13,16 @@ use statistical::median;
 pub const OUTLIER_THRESHOLD: f64 = 1.4826 * 10.0;
 
 /// Compute modifized Z-scores for a given sample. A (unmodified) Z-score is defined by
-/// (x_i - x_mean)/x_stddev whereas the modified Z-score is defined by |x_i - x_median|/MAD where
-/// MAD is the median average deviation.
+/// `(x_i - x_mean)/x_stddev` whereas the modified Z-score is defined by `|x_i - x_median|/MAD`
+/// where MAD is the median average deviation.
 ///
 /// References:
-/// - https://en.wikipedia.org/wiki/Median_absolute_deviation
+/// - <https://en.wikipedia.org/wiki/Median_absolute_deviation>
 pub fn modified_zscores(xs: &[f64]) -> Vec<f64> {
     assert!(!xs.is_empty());
 
     // Compute sample median:
-    let x_median = median(&xs);
+    let x_median = median(xs);
 
     // Compute the absolute deviations from the median:
     let deviations: Vec<f64> = xs.iter().map(|x| (x - x_median).abs()).collect();

src/main.rs

@@ -107,9 +107,9 @@ fn main() {
                 .value_name("TYPE")
                 .possible_values(&["auto", "basic", "full"])
                 .help(
-                    "Set output style type. If set to 'basic', all colors and special \
-                     formatting will be disabled. If set to 'auto' when output target is not \
-                     a TTY, 'basic' is used (default: auto).",
+                    "Set output style type (default: auto). Set this to 'basic' to disable output \
+                     coloring and interactive elements. Set it to 'full' to enable all effects \
+                     even if no interactive terminal was detected.",
                 ),
         )
         .arg(