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SwiftUI

Swift Charts implementation

This is on-site coding. For a stock app, how would you build a Chart in Swift Charts that draws the last 30 days of closing prices as a line, with axes, range, and today's value highlighted?

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Draw an Identifiable data array with Chart { ForEach { LineMark(x: .value, y: .value) } } and tune the axes with chartYScale and chartXAxis. Highlight today's value with a PointMark or RuleMark.

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