Echo Writes Code

file_ext.rs

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use crate::errors::{ Result };

pub trait FileExt {
	type LockGuard<'a> where Self: 'a;

	fn lock_shared(&self) -> Result<Self::LockGuard<'_>>;

	fn lock_exclusive(&self) -> Result<Self::LockGuard<'_>>;

	fn try_lock_shared(&self) -> Result<Self::LockGuard<'_>>;

	fn try_lock_exclusive(&self) -> Result<Self::LockGuard<'_>>;
}