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perf(scope): optim createChild() which always append at the end #626

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perf(scope): optim createChild() which always append at the end #626

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7 changes: 3 additions & 4 deletions lib/core/scope.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -271,12 +271,11 @@ class Scope {
var child = new Scope(childContext, rootScope, this,
_readWriteGroup.newGroup(childContext),
_readOnlyGroup.newGroup(childContext));
var next = null;

var prev = _childTail;
child._next = next;
child._prev = prev;
if (prev == null) _childHead = child; else prev._next = child;
if (next == null) _childTail = child; else next._prev = child;
_childTail = child;
return child;
}

Expand Down Expand Up @@ -419,7 +418,7 @@ class RootScope extends Scope {

RootScope(Object context, this._astParser, this._parser,
GetterCache cacheGetter, FilterMap filterMap,
this._exceptionHandler, this._ttl, this._zone,
this._exceptionHandler, this._ttl, this._zone,
this._scopeStats)
: super(context, null, null,
new RootWatchGroup(new DirtyCheckingChangeDetector(cacheGetter), context),
Expand Down