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use std::env;
use std::error::Error;
use std::str::FromStr;
pub fn key_or_default_parse<
E: Into<Box<dyn Error>>,
T: FromStr<Err=E>
>(key: &str, default: T) -> Result<T, Box<dyn Error>> {
match env::var(key) {
Ok(val) => val.parse::<T>().map_err(|err| err.into()),
Err(_) => Ok(default),
}
}
pub fn key_or_default(key: &str, default: &str) -> String {
match env::var(key) {
Ok(val) => val,
Err(_) => default.into(),
}
}
pub fn key_or_none(key: &str) -> Option<String> {
match env::var(key) {
Ok(val) => Some(val),
Err(_) => None,
}
}
#[derive(Clone, Debug, Default)]
pub struct Settings {
pub autoflush: bool,
pub dtf_folder: String,
pub flush_interval: u32,
pub granularity: u64,
pub q_capacity: usize,
pub influx: Option<InfluxSettings>,
}
#[derive(Clone, Debug, Default)]
pub struct InfluxSettings {
pub host: String,
pub db: String,
pub interval: u64,
}