Trait CmdExt 

pub trait CmdExt {
    // Required method
    fn exec(&mut self) -> Result<Output, CmdError>;
}

Extension trait for Command to execute and handle errors.

Required Methods

fn exec(&mut self) -> Result<Output, CmdError>

Run the command; capture stdout & stderr; return Output on success.

Errors

• Spawning or waiting fails (CmdError::Io).
• Non-zero exit with valid UTF-8 stderr (CmdError::CmdFailure).
• Non-zero exit with invalid UTF-8 stderr (CmdError::FromUtf8).
• Borrowed UTF-8 validation failure (CmdError::Utf8).

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl CmdExt for Command

fn exec(&mut self) -> Result<Output, CmdError>

Implementors