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defines the gcRefc symbol which allows writing specific code for refc (#20009)

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* define gcRefc symbols

* add comments

* add a changelog item

* Update changelog.md

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>

* Update changelog.md

Co-authored-by: Yardanico <tiberiumk12@gmail.com>

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
Co-authored-by: Yardanico <tiberiumk12@gmail.com>
This commit is contained in:
flywind
2022-07-17 15:24:40 +08:00
committed by GitHub
parent 0d8bec6956
commit 01ad0cdc52
3 changed files with 9 additions and 1 deletions
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7
tests/stdlib/tstrutils2.nim
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@@ -1,10 +1,15 @@
discard """
matrix: "--gc:refc; --gc:orc"
"""
import "$lib/.." / compiler/strutils2
block: # setLen
var a = "abc"
a.setLen 0
a.setLen 3, isInit = false
doAssert a[1] == 'b'
when defined(gcRefc): # bug #19763
doAssert a[1] == 'b'
a.setLen 0
a.setLen 3, isInit = true
doAssert a[1] == '\0'