Trait geo::algorithm::lines_iter::LinesIter
source · pub trait LinesIter<'a> {
type Scalar: CoordNum;
type Iter: Iterator<Item = Line<Self::Scalar>>;
// Required method
fn lines_iter(&'a self) -> Self::Iter;
}Expand description
Iterate over lines of a geometry.
Required Associated Types§
Required Methods§
sourcefn lines_iter(&'a self) -> Self::Iter
fn lines_iter(&'a self) -> Self::Iter
Iterate over all exterior and (if any) interior lines of a geometry.
§Examples
use geo::line_string;
use geo::lines_iter::LinesIter;
use geo::{coord, Line};
let ls = line_string![
(x: 1., y: 2.),
(x: 23., y: 82.),
(x: -1., y: 0.),
];
let mut iter = ls.lines_iter();
assert_eq!(
Some(Line::new(
coord! { x: 1., y: 2. },
coord! { x: 23., y: 82. }
)),
iter.next()
);
assert_eq!(
Some(Line::new(
coord! { x: 23., y: 82. },
coord! { x: -1., y: 0. }
)),
iter.next()
);
assert_eq!(None, iter.next());