26 lines
667 B
Rust
26 lines
667 B
Rust
use std::io::Write;
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use derive_more::{Deref, DerefMut};
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/// A wrapper around a child process's stdin that implements the Write trait.
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///
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/// This struct allows writing data to an external process's standard input
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/// in a way that's compatible with Rust's I/O traits.
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#[derive(Deref, DerefMut)]
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pub struct ProgramWriter {
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/// The stdin handle of a spawned child process
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#[deref]
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#[deref_mut]
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pub stdin: std::process::ChildStdin,
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}
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impl Write for ProgramWriter {
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fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
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self.stdin.write(buf)
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}
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fn flush(&mut self) -> std::io::Result<()> {
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self.stdin.flush()
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}
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}
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