| 53 | } |
| 54 | |
| 55 | bool FunctionDescriptor::operator<(const FunctionDescriptor& other) const { |
| 56 | if (impl_.get() == other.impl_.get()) { |
| 57 | return false; |
| 58 | } |
| 59 | if (name() < other.name()) { |
| 60 | return true; |
| 61 | } |
| 62 | if (name() != other.name()) { |
| 63 | return false; |
| 64 | } |
| 65 | if (receiver_style() < other.receiver_style()) { |
| 66 | return true; |
| 67 | } |
| 68 | if (receiver_style() != other.receiver_style()) { |
| 69 | return false; |
| 70 | } |
| 71 | auto lhs_begin = types().begin(); |
| 72 | auto lhs_end = types().end(); |
| 73 | auto rhs_begin = other.types().begin(); |
| 74 | auto rhs_end = other.types().end(); |
| 75 | while (lhs_begin != lhs_end && rhs_begin != rhs_end) { |
| 76 | if (*lhs_begin < *rhs_begin) { |
| 77 | return true; |
| 78 | } |
| 79 | if (!(*lhs_begin == *rhs_begin)) { |
| 80 | return false; |
| 81 | } |
| 82 | lhs_begin++; |
| 83 | rhs_begin++; |
| 84 | } |
| 85 | if (lhs_begin == lhs_end && rhs_begin == rhs_end) { |
| 86 | // Neither has any elements left, they are equal. |
| 87 | return false; |
| 88 | } |
| 89 | if (lhs_begin == lhs_end) { |
| 90 | // Left has no more elements. Right is greater. |
| 91 | return true; |
| 92 | } |
| 93 | // Right has no more elements. Left is greater. |
| 94 | ABSL_ASSERT(rhs_begin == rhs_end); |
| 95 | return false; |
| 96 | } |
| 97 | |
| 98 | } // namespace cel |