diff options
Diffstat (limited to '')
| -rw-r--r-- | examples/todos.rs | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/examples/todos.rs b/examples/todos.rs index 5f435fdc..42e88f65 100644 --- a/examples/todos.rs +++ b/examples/todos.rs @@ -517,21 +517,23 @@ impl SavedState { } async fn load() -> Result<SavedState, LoadError> { - use std::io::Read; + use async_std::prelude::*; let mut contents = String::new(); - let mut file = std::fs::File::open(Self::path()) + let mut file = async_std::fs::File::open(Self::path()) + .await .map_err(|_| LoadError::FileError)?; file.read_to_string(&mut contents) + .await .map_err(|_| LoadError::FileError)?; serde_json::from_str(&contents).map_err(|_| LoadError::FormatError) } async fn save(self) -> Result<(), SaveError> { - use std::io::Write; + use async_std::prelude::*; let json = serde_json::to_string_pretty(&self) .map_err(|_| SaveError::FormatError)?; @@ -539,20 +541,23 @@ impl SavedState { let path = Self::path(); if let Some(dir) = path.parent() { - std::fs::create_dir_all(dir) + async_std::fs::create_dir_all(dir) + .await .map_err(|_| SaveError::DirectoryError)?; } - let mut file = - std::fs::File::create(path).map_err(|_| SaveError::FileError)?; + { + let mut file = async_std::fs::File::create(path) + .await + .map_err(|_| SaveError::FileError)?; - file.write_all(json.as_bytes()) - .map_err(|_| SaveError::WriteError)?; + file.write_all(json.as_bytes()) + .await + .map_err(|_| SaveError::WriteError)?; + } // This is a simple way to save at most once every couple seconds - // We will be able to get rid of it once we implement event - // subscriptions - std::thread::sleep(std::time::Duration::from_secs(2)); + async_std::task::sleep(std::time::Duration::from_secs(2)).await; Ok(()) } |