mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-04-19 05:50:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixed objects being erroneously zeroed out before object construction (#12814) [backport]

Browse Source
This commit is contained in:
Neelesh Chandola
2019-12-05 22:01:51 +05:30
committed by Andreas Rumpf
parent 3fbb3bfd3f
commit 1db21721ec
2 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
compiler/aliases.nim
View File

@@ -193,4 +193,7 @@ proc isPartOf*(a, b: PNode): TAnalysisResult =
if res != arNo:
result = res
if res == arYes: break
of nkBracket:
if b.len > 0:
result = isPartOf(a, b[0])
else: discard

22
tests/objects/t12753.nim Normal file
View File

@@ -0,0 +1,22 @@
discard """
output: '''
(v: [(v: [0.0, 1.1]), (v: [2.2, 3.3])])
(v: [(v: [0.0, 1.1]), (v: [2.2, 3.3])])
'''
"""
type
V = object
v:array[2,float]
M = object
v:array[2,V]
var
a = M(v:[ V(v:[0.0,1.0]), V(v:[2.0,3.0]) ])
b = M(v:[ V(v:[0.0,0.1]), V(v:[0.2,0.3]) ])
echo M(v: [V(v: [b.v[0].v[0] + a.v[0].v[0], b.v[0].v[1] + a.v[0].v[1]]),
V(v: [b.v[1].v[0] + a.v[1].v[0], b.v[1].v[1] + a.v[1].v[1]])])
b = M(v: [V(v: [b.v[0].v[0] + a.v[0].v[0], b.v[0].v[1] + a.v[0].v[1]]),
V(v: [b.v[1].v[0] + a.v[1].v[0], b.v[1].v[1] + a.v[1].v[1]])])
echo b