capture_end

fn capture_end() -> (string, string)

use io::{capture_end};

Ends the innermost capture_begin() and returns what it kept, as (stdout, stderr). Both are empty when no capture is open.

Returns#

(string, string)

Examples#

use io::{capture_begin, capture_end, stderr, write};
use string::{to_bytes};
use tests::assert;
capture_begin();
let _ = write(stderr(), to_bytes("oops"));
let (_, err) = capture_end();
assert!(err == "oops");

See also#

• io::capture_begin
• stdin: Returns a new stream on the process’s standard input.
• stdout: Returns a new stream on the process’s standard output.
• stderr: Returns a new stream on the process’s standard error.
• open: Opens the file at path with mode and returns a stream on it.
• close: Closes s.
• read: Reads bytes from s into the front of buf without waiting.
• write: Writes bytes from buf to s without waiting and returns how many were written.