instance method

StringIO#closed?

() -> bool

closed? → true or false

ext/stringio/stringio.c View on GitHub ↗

static VALUE
strio_closed(VALUE self)
{
    StringIO(self);
    if (!CLOSED(self)) return Qfalse;
    return Qtrue;
}

Returns whether self is closed for both reading and writing:

Example

strio = StringIO.new
strio.closed?     # => false  # Open for reading and writing.
strio.close_read
strio.closed?     # => false  # Still open for writing.
strio.close_write
strio.closed?     # => true   # Now closed for both.

See also #close #closed_read? #binmode #closed_write? also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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