35 lines
1.2 KiB
Python
Executable File
35 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# Copyright 2025 Google LLC
|
|
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from typing import Any
|
|
|
|
class IndexRange():
|
|
def __init__(self, first: int, count: int) -> None:
|
|
self.first = first
|
|
self.count = count
|
|
if first < 0:
|
|
raise Exception("invalid arg: first {} must be non-negative".format(first))
|
|
if count < 0:
|
|
raise Exception("invalid arg: count {} must be non-negative".format(count))
|
|
|
|
def __eq__(self, other: Any) -> bool:
|
|
return isinstance(other, IndexRange) and self.first == other.first and self.count == other.count
|
|
|
|
def __hash__(self) -> int:
|
|
return hash("{} {}".format(self.first, self.count))
|
|
|
|
def __str__(self) -> str:
|
|
return "IR({}, {})".format(self.first, self.count)
|