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Make Default do what default used to do

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This commit is contained in:
Nick Cameron 2018-09-04 09:12:50 +12:00
parent d6f01f3a6c
commit 4050a68989
1 changed files with 9 additions and 2 deletions
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11
clippy_lints/src/utils/conf.rs
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@ -3,6 +3,7 @@
#![deny(clippy::missing_docs_in_private_items)]
use lazy_static::lazy_static;
use std::default::Default;
use std::{env, fmt, fs, io, path};
use std::io::Read;
use syntax::{ast, source_map};
@ -65,7 +66,7 @@ macro_rules! define_Conf {
mod helpers {
use serde_derive::Deserialize;
/// Type used to store lint configuration.
#[derive(Default, Deserialize)]
#[derive(Deserialize)]
#[serde(rename_all="kebab-case", deny_unknown_fields)]
pub struct Conf {
$(#[$doc] #[serde(default=$rust_name_str)] #[serde(with=$rust_name_str)]
@ -146,6 +147,12 @@ define_Conf! {
(trivial_copy_size_limit, "trivial_copy_size_limit", None => Option<u64>),
}
impl Default for Conf {
fn default() -> Conf {
toml::from_str("").expect("we never error on empty config files")
}
}
/// Search for the configuration file.
pub fn lookup_conf_file() -> io::Result<Option<path::PathBuf>> {
/// Possible filename to search for.
@ -180,7 +187,7 @@ pub fn lookup_conf_file() -> io::Result<Option<path::PathBuf>> {
///
/// Used internally for convenience
fn default(errors: Vec<Error>) -> (Conf, Vec<Error>) {
(toml::from_str("").expect("we never error on empty config files"), errors)
(Conf::default(), errors)
}
/// Read the `toml` configuration file.