jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

newSeqOfCap: skip initialization step for non-GC-ed data

Browse source
This commit is contained in:
Andreas Rumpf 2017-09-24 01:22:48 +02:00
commit e5cb1a2dd5
1 changed files with 5 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

6
lib/system/mmdisp.nim
View file

@ -564,7 +564,11 @@ else:
when not declared(nimNewSeqOfCap):
proc nimNewSeqOfCap(typ: PNimType, cap: int): pointer {.compilerproc.} =
result = newObj(typ, addInt(mulInt(cap, typ.base.size), GenericSeqSize))
let s = addInt(mulInt(cap, typ.base.size), GenericSeqSize)
when declared(newObjNoInit):
result = if ntfNoRefs in typ.base.flags: newObjNoInit(typ, s) else: newObj(typ, s)
else:
result = newObj(typ, s)
cast[PGenericSeq](result).len = 0
cast[PGenericSeq](result).reserved = cap