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`Stdio::makes_pipe` Wrappers around `std::process::Command` may want to be able to override pipe creation. However, [`std::process::Stdio`](https://doc.rust-lang.org/std/process/struct.Stdio.html) is opaque so there's no way to tell if `Command` was told to create new pipes or not. This is in some ways a more generic (and cross-platform) alternative to #97149. However, unlike that feature, this comes with the price of the user needing to actually create their own pipes rather than reusing the std one. So I think it stands (or not) on its own. # Example ```rust #![feature(stdio_makes_pipe)] use std::process::Stdio; let io = Stdio::piped(); assert_eq!(io.makes_pipe(), true); ```