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Clean up the f32_hz_then_khz formatter

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Robbert van der Helm 2022-03-21 14:17:16 +01:00
parent 2af93436a6
commit 44aa3dd564
1 changed files with 6 additions and 6 deletions
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12
src/formatters.rs
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@ -70,14 +70,14 @@ pub fn from_f32_panning() -> Arc<dyn Fn(&str) -> Option<f32> + Send + Sync> {
})
}
/// Round an `f32` value and divide it by 1000 when it gets over 1000
/// Format a `f32` Hertz value as a rounded `Hz` below 1000 Hz, and as a rounded `kHz` value above
/// 1000 Hz. This already includes the unit.
pub fn f32_hz_then_khz(digits: usize) -> Arc<dyn Fn(f32) -> String + Send + Sync> {
Arc::new(move |x| {
if x < 1000.0 {
format!("{:.digits$}", x)
Arc::new(move |value| {
if value < 1000.0 {
format!("{:.digits$} Hz", value)
} else {
let digits = digits + 1;
format!("{:.digits$}", x / 1000.0)
format!("{:.digits$} kHz", value / 1000.0, digits = digits.min(1))
}
})
}