Method: StringIO#close_write

Defined in:
ext/stringio/stringio.c

#close_write ⇒ nil

Closes self for writing; closed-read setting remains unchanged.

Raises IOError if writing is attempted.

Related: StringIO#close, StringIO#close_read.

Returns:

  • (nil) 


539
540
541
542
543
544
545
546
547
548
 
# File 'ext/stringio/stringio.c', line 539

static VALUE
strio_close_write(VALUE self)
{
    struct StringIO *ptr = StringIO(self);
    if (!(ptr->flags & FMODE_WRITABLE)) {
  rb_raise(rb_eIOError, "closing non-duplex IO for writing");
    }
    RBASIC(self)->flags &= ~STRIO_WRITABLE;
    return Qnil;
}