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util/error: implement From for Error

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This commit is contained in:
meh 2015-05-16 14:44:48 +02:00
parent 7f6d694a7d
commit 8bdb50ebaf
1 changed files with 9 additions and 2 deletions
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11
src/util/error.rs
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@ -1,11 +1,12 @@
use ffi::*;
use std::error; use std::error;
use std::fmt; use std::fmt;
use std::cell::RefCell; use std::cell::RefCell;
use libc::c_int;
use std::ffi::CStr; use std::ffi::CStr;
use std::str::from_utf8_unchecked; use std::str::from_utf8_unchecked;
use libc::c_int;
use ffi::*;
pub struct Error { pub struct Error {
code: c_int, code: c_int,
desc: RefCell<Option<[i8; AV_ERROR_MAX_STRING_SIZE as usize]>>, desc: RefCell<Option<[i8; AV_ERROR_MAX_STRING_SIZE as usize]>>,
@ -17,6 +18,12 @@ impl Error {
} }
} }
impl From<c_int> for Error {
fn from(value: c_int) -> Error {
Error::new(value)
}
}
impl fmt::Display for Error { impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
f.write_str(error::Error::description(self)) f.write_str(error::Error::description(self))