Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →
instance method
IO::Buffer#size
() -> ::Integer
size → integer
io_buffer.c
View on GitHub ↗
VALUE
rb_io_buffer_size(VALUE self)
{
struct rb_io_buffer_view *buffer = get_io_buffer_view(self);
return SIZET2NUM(buffer->size);
}
Returns the size of the buffer that was explicitly set (on creation with ::new or on resize), or deduced on buffer’s creation from string or file.