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author | tyranron <tyranron@gmail.com> | 2019-04-08 15:11:55 +0300 |
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committer | tyranron <tyranron@gmail.com> | 2019-04-08 15:11:55 +0300 |
commit | 9b0aa7362c21b01376739a013126a9db3ce355bc (patch) | |
tree | 204f64501f2ca2b261abd431401481ad88a8556b /src/config.rs | |
parent | 2502fbcce7295c56efd9825a14748d98f76ef613 (diff) |
Bootstrap solution
Diffstat (limited to 'src/config.rs')
-rw-r--r-- | src/config.rs | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/config.rs b/src/config.rs index f19e59a..893baea 100644 --- a/src/config.rs +++ b/src/config.rs @@ -129,6 +129,25 @@ impl Config { self.refresh() } + pub fn set_defaults<T>(&mut self, value: &T) -> Result<&mut Config> + where + T: Serialize, + { + match self.kind { + ConfigKind::Mutable { + ref mut defaults, .. + } => { + for (key, val) in Self::try_from(&value)?.collect()? { + defaults.insert(key.parse()?, val); + } + } + + ConfigKind::Frozen => return Err(ConfigError::Frozen), + } + + self.refresh() + } + pub fn set<T>(&mut self, key: &str, value: T) -> Result<&mut Config> where T: Into<Value>, @@ -192,13 +211,21 @@ impl Config { T::deserialize(self) } - /// Attempt to deserialize the entire configuration into the requested type. + /// Attempt to serialize the entire configuration from the given type. pub fn try_from<T: Serialize>(from: &T) -> Result<Self> { let mut serializer = ConfigSerializer::default(); from.serialize(&mut serializer)?; Ok(serializer.output) } + /// Attempt to serialize the entire configuration from the given type + /// as default values. + pub fn try_defaults_from<T: Serialize>(from: &T) -> Result<Self> { + let mut c = Self::new(); + c.set_defaults(from)?; + Ok(c) + } + #[deprecated(since = "0.7.0", note = "please use 'try_into' instead")] pub fn deserialize<'de, T: Deserialize<'de>>(self) -> Result<T> { self.try_into() |