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2b11ecbec9
This is follow-up to https://github.com/swiftlang/swift/pull/76487 It's reasonable to coalesce bindings of different kind if they don't allow implicit conversions like stdlib collection types do. Resolves: https://github.com/swiftlang/swift/issues/77003
29 lines
881 B
Swift
29 lines
881 B
Swift
// RUN: %target-typecheck-verify-swift -target %target-cpu-apple-macosx10.15 -swift-version 5
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// REQUIRES: objc_interop
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// REQUIRES: OS=macosx
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import SwiftUI
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struct NewBounds {
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var minBinding: Binding<Double>!
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var maxBinding: Binding<Double>!
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}
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func test<V>(
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value: Binding<V>,
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in bounds: ClosedRange<V>
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) -> some View where V : BinaryFloatingPoint, V.Stride : BinaryFloatingPoint {
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EmptyView()
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}
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struct MyView : View {
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@State var newBounds: NewBounds
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var bounds: ClosedRange<Double>
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var body: some View {
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test(value: true ? $newBounds.maxBinding : $newBounds.minBinding, in: bounds)
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// expected-error@-1 2 {{result values in '? :' expression have mismatching types 'Binding<Binding<Double>?>' and 'Binding<Double>'}}
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// expected-note@-2 2 {{arguments to generic parameter 'Value' ('Binding<Double>?' and 'Double') are expected to be equal}}
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}
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}
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