Function defaultDiscard [src]

Prototype

pub fn defaultDiscard(r: *Reader, limit: Limit) Error!usize

Parameters

r: *Readerlimit: Limit

Possible Errors

EndOfStream

ReadFailed

See the Reader implementation for detailed diagnostics.

Source

  pub fn defaultDiscard(r: *Reader, limit: Limit) Error!usize {
    assert(r.seek == r.end);
    r.seek = 0;
    r.end = 0;
    var d: Writer.Discarding = .init(r.buffer);
    const n = r.stream(&d.writer, limit) catch |err| switch (err) {
        error.WriteFailed => unreachable,
        error.ReadFailed => return error.ReadFailed,
        error.EndOfStream => return error.EndOfStream,
    };
    assert(n <= @intFromEnum(limit));
    return n;
}  