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add method to get vec from config

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Adrian Malacoda 2018-05-12 00:41:04 -05:00
parent 4bfe6e2aec
commit 9052a3b26b
1 changed files with 7 additions and 0 deletions
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7
src/helpers/config.rs
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@ -1,11 +1,18 @@
use toml;
use toml::value::Table; use toml::value::Table;
pub trait Config { pub trait Config {
fn get_string (&self, key: &str) -> Option<&str>; fn get_string (&self, key: &str) -> Option<&str>;
fn get_vec (&self, key: &str) -> Option<Vec<toml::Value>>;
} }
impl Config for Table { impl Config for Table {
fn get_string (&self, key: &str) -> Option<&str> { fn get_string (&self, key: &str) -> Option<&str> {
self.get(key).and_then(|value| value.as_str()) self.get(key).and_then(|value| value.as_str())
} }
fn get_vec (&self, key: &str) -> Option<Vec<toml::Value>> {
self.get(key).and_then(|value| value.as_array())
.map(|value| value.to_vec())
}
} }