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move str_err to util.rs

This commit is contained in:
Dmitry Belyaev 2023-08-06 16:58:43 +03:00
parent c0193e4f74
commit f55b6f681c
3 changed files with 16 additions and 28 deletions
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15
lib/src/async_db.rs
View File

@ -22,20 +22,7 @@ type LSize = u32;
const LEN_SIZE: usize = std::mem::size_of::<LSize>();
const BINCODE_CFG: bincode::config::Configuration = bincode::config::standard();
trait ErrorToString {
type Output;
fn str_err(self) -> std::result::Result<Self::Output, String>;
}
impl<T, E> ErrorToString for std::result::Result<T, E>
where
E: std::error::Error,
{
type Output = T;
fn str_err(self) -> std::result::Result<Self::Output, String> {
self.map_err(|e| e.to_string())
}
}
use crate::util::ErrorToString;
pub struct WriterOpts {
pub compress_lvl: Level,

15
lib/src/db.rs
View File

@ -12,20 +12,7 @@ type LSize = u32;
const LEN_SIZE: usize = std::mem::size_of::<LSize>();
const BINCODE_CFG: bincode::config::Configuration = bincode::config::standard();
trait ErrorToString {
type Output;
fn str_err(self) -> std::result::Result<Self::Output, String>;
}
impl<T, E> ErrorToString for std::result::Result<T, E>
where
E: std::error::Error,
{
type Output = T;
fn str_err(self) -> std::result::Result<Self::Output, String> {
self.map_err(|e| e.to_string())
}
}
use crate::util::ErrorToString;
pub struct WriterOpts {
pub compress_lvl: i32,

14
lib/src/util.rs Normal file
View File

@ -0,0 +1,14 @@
pub trait ErrorToString {
type Output;
fn str_err(self) -> std::result::Result<Self::Output, String>;
}
impl<T, E> ErrorToString for std::result::Result<T, E>
where
E: std::error::Error,
{
type Output = T;
fn str_err(self) -> std::result::Result<Self::Output, String> {
self.map_err(|e| e.to_string())
}
}