IO#flush should raise an exception if it is closed.

2026-06-08 16:11:16 +00:00 · 2014-04-21 10:01:49 +09:00
parent 99c67749ff
commit e5f30f83ce
1 changed files with 1 additions and 0 deletions
@@ -91,6 +91,7 @@ class IO

  def flush
    # mruby-io always writes immediately (no output buffer).
+    raise IOError, "closed stream" if self.closed?
    self
  end