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c9cfe28e6d
Removing the old, ad-hoc diagnostics code improves the diagnostics we emit, since the existing diagnostics for missing conformances is already pretty good. rdar://127369509
25 lines
996 B
Swift
25 lines
996 B
Swift
// RUN: %target-typecheck-verify-swift -enable-builtin-module \
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// RUN: -parse-stdlib -module-name Ghost
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// This test covers only rudimentary typechecking when only the Builtin module
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// is available. It's not a fully-supported configuration!
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import Builtin
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func reqCopy1<T>(_ t: T) {} // expected-note {{'where T: Builtin.Copyable' is implicit here}}
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func reqCopy2<T: Builtin.Copyable>(_ t: T) {} // expected-note {{'where T: Builtin.Copyable' is implicit here}}
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protocol P {}
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struct DataType: P, Builtin.Escapable {} // expected-error {{type 'Escapable' requires -enable-experimental-feature NonescapableTypes}}
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struct DataTypeNC: ~Builtin.Copyable {}
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func main() {
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reqCopy1(DataTypeNC()) // expected-error {{global function 'reqCopy1' requires that 'DataTypeNC' conform to 'Builtin.Copyable'}}
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reqCopy2(DataTypeNC()) // expected-error {{global function 'reqCopy2' requires that 'DataTypeNC' conform to 'Builtin.Copyable'}}
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reqCopy1(DataType())
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reqCopy2(DataType())
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}
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