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00d8774032
This has been deprecated for a while now, flip it to an error for a future language mode.
51 lines
2.7 KiB
Swift
51 lines
2.7 KiB
Swift
// RUN: %target-typecheck-verify-swift -swift-version 6 -verify-additional-prefix swift6-
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// RUN: %target-typecheck-verify-swift -swift-version 7 -verify-additional-prefix swift7-
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// REQUIRES: swift7
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func consume<T>(_ x: T) {} // Suppress unused variable warnings
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func shuffle_through_initialization() {
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let a = (x: 1, y: 2)
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let b: (y: Int, x: Int)
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b = a
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from 'x:y:' to 'y:x:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-2 {{cannot implicitly reorder tuple elements from 'x:y:' to 'y:x:'}}
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consume(b)
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}
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func shuffle_raw_label(_ t: (`a b`: Int, `c d`: Int)) {
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let _: (`c d`: Int, `a b`: Int) = t
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from '`a b`:`c d`:' to '`c d`:`a b`:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-2 {{cannot implicitly reorder tuple elements from '`a b`:`c d`:' to '`c d`:`a b`:'}}
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}
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func shuffle_through_destructuring() {
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let a = (x: 1, y: 2)
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let (y: b, x: c) = a
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from 'x:y:' to 'y:x:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-2 {{cannot implicitly reorder tuple elements from 'x:y:' to 'y:x:'}}
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consume((b, c))
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}
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func shuffle_through_call() {
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func foo(_ : (x: Int, y: Int)) {}
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foo((y: 5, x: 10))
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from 'y:x:' to 'x:y:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-2 {{cannot implicitly reorder tuple elements from 'y:x:' to 'x:y:'}}
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}
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func shuffle_through_cast() {
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let x = ((a: Int(), b: Int()) as (b: Int, a: Int)).0
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from 'a:b:' to 'b:a:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-2 {{cannot implicitly reorder tuple elements from 'a:b:' to 'b:a:'}}
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// Ah, the famous double-shuffle
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let (c1, (c2, c3)): (c: Int, (b: Int, a: Int)) = ((a: Int(), b: Int()), c: Int())
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// expected-swift6-warning@-1 {{implicit reordering of tuple elements from 'a:b:' to 'b:a:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift6-warning@-2 {{implicit reordering of tuple elements from '_:c:' to 'c:_:' is deprecated; this will be an error in a future Swift language mode}}
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// expected-swift7-error@-3 {{cannot implicitly reorder tuple elements from 'a:b:' to 'b:a:'}}
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// expected-swift7-error@-4 {{cannot implicitly reorder tuple elements from '_:c:' to 'c:_:'}}
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consume((x, c1, c2, c3))
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}
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