osm-is-area 1.0.0

Is this OpenStreetMap element an area or not?
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

/// Returns true if the given relation is an area.
///
/// A relation is an area when it has a tag "type" with value "multipolygon".
/// ```
/// use osm_is_area;
///
/// let tags = vec![
///     (r"type", r"multipolygon")
/// ];
/// let members = vec![1, 3, 2, 1];
///
/// let is_area = osm_is_area::relation(&tags, &members);
/// assert_eq!(true, is_area);
/// ```
pub fn relation<X>(tags: &[(&str, &str)], members: &[X]) -> bool where X: PartialEq {
    if members.len() == 0 {
        return false;
    }
    let opt = tags
        .into_iter()
        .find(|tag| tag.0 == "type" && tag.1 == "multipolygon");
    match opt {
        Some(_) => return true,
        None => return false,
    }
}