inline auto FixedBufferWriter::restrict()

in code/include/swoc/BufferWriter.h [603:609]

• 7 lines of code
• 2 McCabe index (conditional complexity)

inline auto FixedBufferWriter::restrict(size_t n) -> self_type & {
  if (n > _capacity) {
    throw(std::invalid_argument{"FixedBufferWriter restrict value more than capacity"});
  }
  _capacity -= n;
  return *this;
}