debugAssertChildListIsNonEmptyAndContiguous method
Asserts that the reified child list is not empty and has a contiguous sequence of indices.
Always returns true.
Implementation
bool debugAssertChildListIsNonEmptyAndContiguous() {
assert(() {
assert(firstChild != null);
int index = indexOf(firstChild);
RenderBox child = childAfter(firstChild);
while (child != null) {
index += 1;
assert(indexOf(child) == index);
child = childAfter(child);
}
return true;
}());
return true;
}