Method args_if

tools/cargo-run/src/cmd.rs:55–61

(self, cond: bool, args: I)

	}

	fn args_if<I, S>(self, cond: bool, args: I) -> Self
	where
		I: IntoIterator<Item = S>,
		S: Into<OsString>,
	{
		if cond { self.args(args) } else { self }
	}

	fn run(self) -> Result<(), Error> {
		Expression::run(&self).map_err(Error::Command)?;