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Define Node.lazy to lazily evaluate node contents #97

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8 changes: 8 additions & 0 deletions Sources/Plot/API/Node.swift
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Expand Up @@ -159,6 +159,14 @@ public extension Node {
static func components(@ComponentBuilder _ content: () -> Component) -> Node {
.component(content())
}

/// Create a node that lazily evaluates its contents at rendering time.
/// - parameter closure: A closure which evaluates to the contents of this node
static func `lazy`(_ closure: @escaping () -> Node ) -> Node {
Node { renderer in
closure().rendering(&renderer)
}
}
}

internal extension Node where Context: DocumentFormat {
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