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KaQuMiQ/SetOnly.swift

Created March 17, 2020 12:15
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Set only property example
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SetOnly.swift
struct SomeType {
private var store: Any = 0 // or something else to proxy properties
var value: Any {
@available(*, unavailable)
get { fatalError("unavailable") }
set { store = newValue}
}
}
@KaQuMiQ
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KaQuMiQ commented Mar 17, 2020

Example

var some = SomeType()
some.value = "WORKS"
_ = some.value // compile error - Getter for 'value' is unavailable

Might be useful in proxy for types where getting is hard or not available while avoiding func setValue(...)

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