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ORC: support for custom =trace procs (#18459)

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* ORC: support custom =trace procs (WIP)
* Update tests/arc/tcustomtrace.nim

Co-authored-by: Clyybber <darkmine956@gmail.com>

* =trace is now documented and seems to work
* make test green

Co-authored-by: Clyybber <darkmine956@gmail.com>
This commit is contained in:
Andreas Rumpf 2021-07-09 15:15:49 +02:00 • committed by GitHub
commit 4ec2f74246
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13 changed files with 321 additions and 11 deletions
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5
lib/system.nim
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@ -488,6 +488,11 @@ proc `=sink`*[T](x: var T; y: T) {.inline, magic: "Asgn".} =
## Generic `sink`:idx: implementation that can be overridden.
shallowCopy(x, y)
when defined(nimHasTrace):
proc `=trace`*[T](x: var T; env: pointer) {.inline, magic: "Trace".} =
## Generic `trace`:idx: implementation that can be overridden.
discard
type
HSlice*[T, U] = object ## "Heterogeneous" slice type.
a*: T ## The lower bound (inclusive).