The special characters like 2XX, 3XX, 4XX, 5XX are meaning the
range of status codes. If 5XX is specified, it means the status code is
in the range of 500 to 599.
Evidence
contracts/common.md#principled-implementation A status is a number or one of the four range spellings, which is enough to configure both exact and ranged branches.
Evidence
contracts/common.md#clear-and-simple-design A single union.
Evidence
contracts/common.md#prohibited-implementation-shortcuts It is a type and adds no runtime behavior.
Evidence
contracts/common.md#meaningful-documentation The comment defines the range spellings.
Type of configurable status codes.
The special characters like
2XX,3XX,4XX,5XXare meaning the range of status codes. If5XXis specified, it means the status code is in the range of500to599.