Lexidor Digital

**Is your feature request related to a problem? Please describe.** As of today, dicts (previously darrays) have the same runtime representation as a `shape(...)`. From what I have gathered, it...

**Is your feature request related to a problem? Please describe.** When developing inside a Docker container using vscode-hack, I sometimes want to go to definition on a built-in. The /tmp/hh_server...

[Typechecker | Regression] Intersection with enum types disables switch exhaustion check

3

### HHVM Version ``` HipHop VM 4.23.0-dev (rel) Compiler: 1568605624_509374463 Repo schema: d3aeac4022c6a43fc3660e7d8141465a7fbb14c2 hackc-9f58f3799749c8d2680054e2c26f95325770390d-4.23.0-dev ``` ### Operating System and Version Ubuntu 18.04 ### Standalone code, or other way to reproduce...

**Describe the bug** Message when passing `KindOfHerp` where `KindOfDerp` is expected when `KindOfHerp` and `KindOfDerp` are newtypes does not mention `KindOfHerp`. Instead it says that the newtype is constrained to...

**Describe the bug** PHP 7.1.0 added an `$offset` parameter to [\unpack()](https://www.php.net/manual/en/function.unpack.php). **Standalone code, or other way to reproduce the problem** ```HACK \unpack('Q', $bytes, 16); ``` **Expected behavior** `\unpack()` should parse...

[ Segmentation fault ] Using `SQL\Query->toString__FOR_DEBUGGING_ONLY()` causes a segmentation fault when a query is also running

1

**Describe the bug** A segmentation fault occurs when running when asking for the string repr of a `SQL\Query` while the connection is busy. **Standalone code, or other way to reproduce...

Calling a shared protected interface method in an object of another class is allowed by the typechecker, but fatals at runtime.

3

**Describe the bug** Given interface `IDoStuff` which declares `protected ->doStuff(): int`, `StuffDoer implements IDoStuff`, and `DoerOfStuff implements IDoStuff`, then `DoerOfStuff` can't call `StuffDoer->doStuff()` at runtime. The typechecker is fine with...

```HACK final xhp class Poof extends x\element { attribute string data-poof = 'gone'; //... } ()->:data-poof; // null ```

Update switch docs for new == rules

1

Please complete the information below: # Where is the problem? ```HACK $v = 30; switch ($v) { case 30.0: //

Recommendation about concurrent calls to AsyncMysqlConnection queryf doesn't apply

4

Please complete the information below: # Where is the problem? ``` We strongly recommend using multiple calls to `queryf()` instead as it escapes parameters; multiple queries can be executed simultaneously...