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add ExistentialTypeParam - fixes #2587

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This commit is contained in:
Sebastian McKenzie
2015-11-03 13:48:03 +00:00
parent 49cbd27441
commit 7dc1b4e7e9
8 changed files with 203 additions and 3 deletions
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1
packages/babylon/test/fixtures/flow/type-annotations/existential-type-param/actual.js vendored Normal file
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@@ -0,0 +1 @@
type Maybe<T> = _Maybe<T, *>;

177
packages/babylon/test/fixtures/flow/type-annotations/existential-type-param/expected.json vendored Normal file
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@@ -0,0 +1,177 @@
{
"type": "File",
"start": 0,
"end": 29,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 29
}
},
"program": {
"type": "Program",
"start": 0,
"end": 29,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 29
}
},
"sourceType": "module",
"body": [
{
"type": "TypeAlias",
"start": 0,
"end": 29,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 29
}
},
"id": {
"type": "Identifier",
"start": 5,
"end": 10,
"loc": {
"start": {
"line": 1,
"column": 5
},
"end": {
"line": 1,
"column": 10
}
},
"name": "Maybe"
},
"typeParameters": {
"type": "TypeParameterDeclaration",
"start": 10,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 10
},
"end": {
"line": 1,
"column": 13
}
},
"params": [
{
"type": "Identifier",
"start": 11,
"end": 12,
"loc": {
"start": {
"line": 1,
"column": 11
},
"end": {
"line": 1,
"column": 12
}
},
"name": "T"
}
]
},
"right": {
"type": "GenericTypeAnnotation",
"start": 16,
"end": 28,
"loc": {
"start": {
"line": 1,
"column": 16
},
"end": {
"line": 1,
"column": 28
}
},
"typeParameters": {
"type": "TypeParameterInstantiation",
"start": 22,
"end": 28,
"loc": {
"start": {
"line": 1,
"column": 22
},
"end": {
"line": 1,
"column": 28
}
},
"params": [
{
"type": "Identifier",
"start": 23,
"end": 24,
"loc": {
"start": {
"line": 1,
"column": 23
},
"end": {
"line": 1,
"column": 24
}
},
"name": "T"
},
{
"type": "ExistentialTypeParam",
"start": 26,
"end": 27,
"loc": {
"start": {
"line": 1,
"column": 26
},
"end": {
"line": 1,
"column": 27
}
}
}
]
},
"id": {
"type": "Identifier",
"start": 16,
"end": 22,
"loc": {
"start": {
"line": 1,
"column": 16
},
"end": {
"line": 1,
"column": 22
}
},
"name": "_Maybe"
}
}
}
],
"directives": []
}
}