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sink as lvalue

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This commit is contained in:
Andrii Riabushenko
2019-09-02 10:11:51 +01:00
parent ad82e65387
commit ba18c12005
2 changed files with 16 additions and 3 deletions
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6
compiler/parampatterns.nim
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@@ -224,14 +224,14 @@ proc isAssignable*(owner: PSym, n: PNode; isUnsafeAddr=false): TAssignableResult
result = arLocalLValue
else:
result = arLValue
elif n.sym.kind == skParam and n.sym.typ.kind == tyVar:
elif n.sym.kind == skParam and n.sym.typ.kind in {tyVar, tySink}:
result = arLValue
elif n.sym.kind == skType:
let t = n.sym.typ.skipTypes({tyTypeDesc})
if t.kind == tyVar: result = arStrange
of nkDotExpr:
let t = skipTypes(n.sons[0].typ, abstractInst-{tyTypeDesc})
if t.kind in {tyVar, tyPtr, tyRef}:
if t.kind in {tyVar, tySink, tyPtr, tyRef}:
result = arLValue
elif isUnsafeAddr and t.kind == tyLent:
result = arLValue
@@ -242,7 +242,7 @@ proc isAssignable*(owner: PSym, n: PNode; isUnsafeAddr=false): TAssignableResult
result = arDiscriminant
of nkBracketExpr:
let t = skipTypes(n.sons[0].typ, abstractInst-{tyTypeDesc})
if t.kind in {tyVar, tyPtr, tyRef}:
if t.kind in {tyVar, tySink, tyPtr, tyRef}:
result = arLValue
elif isUnsafeAddr and t.kind == tyLent:
result = arLValue

13
tests/destructor/tnewruntime_misc.nim
View File

@@ -85,3 +85,16 @@ testWrongAt()
let (a, d) = allocCounters()
discard cprintf("%ld new: %ld\n", a - unpairedEnvAllocs() - d, allocs)
#-------------------------------------------------
type
Table[A, B] = object
x: seq[(A, B)]
proc toTable[A,B](p: sink openArray[(A, B)]): Table[A, B] =
for zz in mitems(p):
result.x.add move(zz)
let table = {"a": new(int)}.toTable()