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945c09b1cc
When we determine that an optional value needs to be unwrapped to make
an expression type check, use notes to provide several different
Fix-It options (with descriptions) rather than always pushing users
toward '!'. Specifically, the errors + Fix-Its now looks like this:
error: value of optional type 'X?' must be unwrapped to a value of
type 'X'
f(x)
^
note: coalesce using '??' to provide a default when the optional
value contains 'nil'
f(x)
^
?? <#default value#>
note: force-unwrap using '!' to abort execution if the optional
value contains 'nil'
f(x)
^
!
Fixes rdar://problem/42081852.
27 lines
641 B
Swift
27 lines
641 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -typecheck -primary-file %s -module-cache-path %t/mcp -emit-remap-file-path %t/edits.remap -swift-version 3
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// RUN: %FileCheck %s -input-file=%t/edits.remap
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enum SomeStringEnum : String {
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case val = ""
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}
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#if swift(>=4)
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func foo() {
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let e : SomeStringEnum = "aa"
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}
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#endif
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// CHECK:[
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// CHECK: {
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// CHECK: "file": "{{.*}}rdar31892850.swift",
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// CHECK: "offset": 323,
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// CHECK: "text": "SomeStringEnum(rawValue: "
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// CHECK: },
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// CHECK: {
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// CHECK: "file": "{{.*}}rdar31892850.swift",
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// CHECK: "offset": 327,
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// CHECK: "text": ")"
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// CHECK: }
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// CHECK:]
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