instance method

IO::Buffer#size

() -> ::Integer

size → integer

VALUE
rb_io_buffer_size(VALUE self)
{
    struct rb_io_buffer *buffer = NULL;
    TypedData_Get_Struct(self, struct rb_io_buffer, &rb_io_buffer_type, buffer);

    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.

See also #shared? #slice #set_values #to_s also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1

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