pub fn to_str<I, K, V>(data: I) -> String
where
    I: IntoIterator<Item = (K, V)>,
    K: AsRef<str>,
    V: ToString,
{
    let mut data = data
        .into_iter()
        .map(|(k, v)| (k, v.to_string()))
        .collect::<Vec<_>>();

    // use special ordering to ensure fewest number of section headings:
    // - sort by keys
    // - keys without dots first
    // - then sort alphabetically grouped in (sub)sections
    data.sort_unstable_by(|(a, _), (b, _)| {
        a.as_ref()
            .contains('.')
            .cmp(&b.as_ref().contains('.'))
            .then(
                a.as_ref()
                    .split('.')
                    .zip(b.as_ref().split('.'))
                    .fold(Ordering::Equal, |acc, (a, b)| acc.then(a.cmp(b))),
            )
    });

    let mut section = String::new();
    let mut buf = String::new();

    for (key, value) in data {
        let key = key.as_ref();

        let key = if let Some(pos) = key.find('.') {
            let (new_section, key) = key.split_at(pos);
            if section != new_section {
                buf.push_str(&format!("[{}]\n", new_section));
                section = new_section.to_string();
            }
            &key[1..] // remove dot
        } else {
            key
        };
        buf.push_str(&format!("{} = {}\n", key, format_value(value)));
    }

    buf
}
/// Turn a key/value store into CNI format text. Accepts a wide range of keys,
/// values and map types.
/// The output will contain as few section headers as possible, but if a key
/// consists of multiple parts separated by a dot, the first one will always be
/// used for the section name
///
/// ```
/// # #[cfg(feature = "serializer")] {
/// let mut map = std::collections::HashMap::new();
/// map.insert("a", "b");
///
/// assert_eq!(
///     &cni_format::to_str(map),
///     "a = b\n"
/// );
///
/// assert_eq!(
///     &cni_format::to_str(vec![
///         ("a.b", "c"),
///     ]),
///     "[a]\nb = c\n"
/// );
/// # }
/// ```
Turn a key/value store into CNI format text. Accepts a wide range of keys,
values and map types.
The output will contain as few section headers as possible, but if a key
consists of multiple parts separated by a dot, the first one will always be
used for the section name


Turn a key / value store into CNI format text . Accepts a wide range of keys values and map types . The output will contain as few section headers as possible but if a key consists of multiple parts separated by a dot the first one will always be used for the section name
pub fn to_str<I, K, V>(data: I) -> String
where
    I: IntoIterator<Item = (K, V)>,
    K: AsRef<str>,
    V: ToString,
{
    let mut data = data
        .into_iter()
        .map(|(k, v)| (k, v.to_string()))
        .collect::<Vec<_>>();
    // use special ordering to ensure fewest number of section headings:
    // - sort by keys
    // - keys without dots first
    // - then sort alphabetically grouped in (sub)sections
    data.sort_unstable_by(|(a, _), (b, _)| {
        a.as_ref()
            .contains('.')
            .cmp(&b.as_ref().contains('.'))
            .then(
                a.as_ref()
                    .split('.')
                    .zip(b.as_ref().split('.'))
                    .fold(Ordering::Equal, |acc, (a, b)| acc.then(a.cmp(b))),
            )
    });
    let mut section = String::new();
    let mut buf = String::new();
    for (key, value) in data {
        let key = key.as_ref();
        let key = if let Some(pos) = key.find('.') {
            let (new_section, key) = key.split_at(pos);
            if section != new_section {
                buf.push_str(&format!("[{}]\n", new_section));
                section = new_section.to_string();
            }
            &key[1..] // remove dot
        } else {
            key
        };
        buf.push_str(&format!("{} = {}\n", key, format_value(value)));
    }
    buf
}
pub fn to_str < I , K , V > ( data : I ) -> String where I : IntoIterator < Item = ( K , V ) > , K : AsRef < str > , V : ToString , { let mut data = data . into_iter ( ) . map ( | ( k , v ) | ( k , v . to_string ( ) ) ) . collect :: < Vec < _ > > ( ) ; // use special ordering to ensure fewest number of section headings: // - sort by keys // - keys without dots first // - then sort alphabetically grouped in (sub)sections data . sort_unstable_by ( | ( a , _ ) , ( b , _ ) | { a . as_ref ( ) . contains ( '.' ) . cmp ( & b . as_ref ( ) . contains ( '.' ) ) . then ( a . as_ref ( ) . split ( '.' ) . zip ( b . as_ref ( ) . split ( '.' ) ) . fold ( Ordering :: Equal , | acc , ( a , b ) | acc . then ( a . cmp ( b ) ) ) , ) } ) ; let mut section = String :: new ( ) ; let mut buf = String :: new ( ) ; for ( key , value ) in data { let key = key . as_ref ( ) ; let key = if let Some ( pos ) = key . find ( '.' ) { let ( new_section , key ) = key . split_at ( pos ) ; if section != new_section { buf . push_str ( & format ! ( " \n " new_section ) ) ; section = new_section . to_string ( ) ; } & key [ 1 .. ] // remove dot } else { key } ; buf . push_str ( & format ! ( " \n " key format_value ( value ) ) ) ; } buf }
Turn a key/value store into CNI format text.
Turn a key / value store into CNI format text .
data
I
data
I
#[cfg(feature = "serializer")] {
let mut map = std::collections::HashMap::new();
map.insert("a", "b").




let mut map = std :: collections :: HashMap :: new () ; map . insert ( " a " " b " ) .
}
None