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Quelle read_to_string.rsSprache: Rust |
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use crate::fs::asyncify; use std::{io, path::Path}; /// Creates a future which will open a file for reading and read the entire /// contents into a string and return said string. /// /// This is the async equivalent of [`std::fs::read_to_string`][std]. /// /// This operation is implemented by running the equivalent blocking operation /// on a separate thread pool using [`spawn_blocking`]. /// /// [`spawn_blocking`]: crate::task::spawn_blocking /// [std]: fn@std::fs::read_to_string /// /// # Examples /// /// ```no_run /// use tokio::fs; /// /// # async fn dox() -> std::io::Result<()> { /// let contents = fs::read_to_string("foo.txt").await?; /// println!("foo.txt contains {} bytes", contents.len()); /// # Ok(()) /// # } /// ``` pub async fn read_to_string(path: impl AsRef<Path>) -> io::Result<String> { let path = path.as_ref().to_owned(); asyncify(move || std::fs::read_to_string(path)).await }
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2026-07-09