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inamiy/rethrowing-protocol.swift

Created January 29, 2022 06:07
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rethrowing-protocol.swift
@rethrows
protocol P {
func foo() throws
}
struct S1: P {
func foo() {}
}
struct S2: P {
func foo() throws {}
}
func testP<X: P>(_ x: X) rethrows {
try x.foo()
}
testP(S1()) // `try` is not required
try testP(S2()) // `try` is required
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