internal static ValueTask <T> RewriteChildrenInternal <T>(
this IRewriter <T> rewriter,
Func <T, ValueTask <T> > transformer,
T value,
Box <ChunkStack <T> > chunks
) => rewriter.WithChildren(
async(children, t) =>
{
var(r, v, f) = t;
var changed = false;
for (var i = 0; i < children.Length; i++)
{
var child = children.Span[i];
var newChild = await f(child).ConfigureAwait(false);
children.Span[i] = newChild;
changed |= !ReferenceEquals(newChild, child);
}
if (changed)
{
return(r.SetChildren(children.Span, v));
}
return(v);
},
(rewriter, value, transformer),
value,
chunks
);
internal static T RewriteChildrenInternal <T>(
this IRewriter <T> rewriter,
Func <T, T> transformer,
T value,
ref ChunkStack <T> chunks
) => rewriter.WithChildren(
(children, t) =>
{
var(r, v, f) = t;
var changed = false;
for (var i = 0; i < children.Length; i++)
{
var child = children[i];
var newChild = f(child);
children[i] = newChild;
changed |= !ReferenceEquals(newChild, child);
}
if (changed)
{
return(r.SetChildren(children, v));
}
return(v);
},
(rewriter, value, transformer),
value,
ref chunks
);