Implement the same traits for FsOptions as in current stable release

src/fs.rs

@@ -3,6 +3,7 @@ use alloc::String;
 use core::cell::RefCell;
 use core::char;
 use core::cmp;
+use core::fmt::Debug;
 use core::iter::FromIterator;
 use io;
 use io::prelude::*;
@@ -300,7 +301,7 @@ impl FsInfoSector {
 /// A FAT filesystem mount options.
 ///
 /// Options are specified as an argument for `FileSystem::new` method.
-//FIXME: #[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 pub struct FsOptions {
     pub(crate) update_accessed_date: bool,
     pub(crate) oem_cp_converter: &'static OemCpConverter,
@@ -727,12 +728,12 @@ impl<'a, T: ReadWriteSeek> Seek for DiskSlice<'a, T> {
 /// Provides a custom implementation for a short name encoding/decoding.
 /// Default implementation changes all non-ASCII characters to the replacement character (U+FFFD).
 /// `OemCpConverter` is specified by the `oem_cp_converter` property in `FsOptions` struct.
-pub trait OemCpConverter {
+pub trait OemCpConverter: Debug {
     fn decode(&self, oem_char: u8) -> char;
     fn encode(&self, uni_char: char) -> Option<u8>;
 }
 
-#[derive(Clone)]
+#[derive(Debug)]
 pub(crate) struct LossyOemCpConverter {
     _dummy: (),
 }

src/time.rs

@@ -1,3 +1,5 @@
+use core::fmt::Debug;
+
 #[cfg(feature = "chrono")]
 use chrono;
 #[cfg(feature = "chrono")]
@@ -129,12 +131,12 @@ impl From<chrono::DateTime<Local>> for DateTime {
 /// Default implementation gets time from `chrono` crate if `chrono` feature is enabled.
 /// Otherwise default implementation returns DOS minimal date-time (1980/1/1 0:00:00).
 /// `TimeProvider` is specified by the `time_provider` property in `FsOptions` struct.
-pub trait TimeProvider {
+pub trait TimeProvider: Debug {
     fn get_current_date(&self) -> Date;
     fn get_current_date_time(&self) -> DateTime;
 }
 
-#[derive(Clone)]
+#[derive(Debug)]
 pub(crate) struct DefaultTimeProvider {
     _dummy: (),
 }