diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 32 |
1 files changed, 31 insertions, 1 deletions
@@ -689,7 +689,7 @@ impl Configuration { } } - /// Get the list of all “direct keys” in this configuration. + /// Get all “direct keys” in this configuration. /// /// More specifically, this returns an iterator of all unique /// first components of keys in `self`. @@ -712,6 +712,15 @@ impl Configuration { }) } + /// Get all defined keys in this configuration, including nested ones, + /// and their values. + /// + /// The order of items returned is arbitrary and may change + /// in future versions without notice. + pub fn iter(&self) -> ConfigurationIter { + self.into_iter() + } + /// Get the list of all “direct children” of `key` in this configuration. /// /// More specifically, this returns an iterator of all unique @@ -893,3 +902,24 @@ impl Configuration { todo!() } } + +/// Opaque type returned by [`<&Configuration>::into_iter`]. +#[derive(Clone, Debug)] +pub struct ConfigurationIter<'a>(core::slice::Iter<'a, (Box<str>, Value)>); + +impl<'a> Iterator for ConfigurationIter<'a> { + type Item = (&'a str, &'a str); + fn next(&mut self) -> Option<Self::Item> { + let (key, val) = self.0.next()?; + Some((key, val.value.as_ref())) + } +} + +impl<'a> IntoIterator for &'a Configuration { + type IntoIter = ConfigurationIter<'a>; + type Item = (&'a str, &'a str); + /// See [`Configuration::iter`]. + fn into_iter(self) -> Self::IntoIter { + ConfigurationIter(self.items.iter()) + } +} |