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Substitute curve's mutable elements with .tuple_windows(), remove dummy tests

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This commit is contained in:
Michał Chodzikiewicz 2021-03-04 11:29:27 +01:00
parent 59835f881d
commit cbc0083fb4
1 changed files with 8 additions and 17 deletions
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25
src/curve.rs
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@ -102,7 +102,7 @@ impl<C, I> DrawableCurve<C, I>
}
/// set curve line thickness
pub fn set_thickness(mut self, thickness: usize) -> DrawableCurve<C,I> {
pub fn set_thickness(mut self, thickness: usize) -> DrawableCurve<C, I> {
self.thickness = Some(thickness);
self
}
@ -123,22 +123,13 @@ impl<C, I> Drawable<C> for DrawableCurve<C, I>
Some(t) => t,
};
let style = PrimitiveStyle::with_stroke(color, thickness as u32);
let mut iter = self.scaled_data.into_iter();
let mut prev = iter.next().unwrap();
for point in iter {
Line::new(prev, point)
.into_styled(style)
.draw(display)?;
prev = point;
}
Ok(())
self.scaled_data
.tuple_windows()
.try_for_each(|(prev, point)| -> Result<(), D::Error> {
Line::new(prev, point)
.into_styled(style)
.draw(display)
})
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}