* updated hgignore

* renamed internal string type to `string` to reduce confusion

* check-in so generation example

* added `static-try` sugar and `static-try-closure` spice

merge

* updated IRC channel information

* replaced special aarch64 dependencies with native target

* better tagging

* `glsl`: added `gl_PrimitiveID`
* SPIR-V: fixed `PrimitiveId` depending on raytracingNV rather than geometry capability

* support for hashing `Value`

* better tagging

* `Map`: added copy operator

* added `trap` and `debugtrap` intrinsics

* Capture: renamed the `self` argument to `this-capture`

* `type`: permit `<:` to use typenames

* capture: improve anchoring

* support for querying name and flags of globals

* renamed `writable?` to `mutable?`

* added `writable?` function to query if a pointer is mutable

* `dispatch` protocol accepts multiple switch arguments