106 lines
5.2 KiB
Plaintext
106 lines
5.2 KiB
Plaintext
=== tests/cases/conformance/es6/destructuring/destructuringArrayBindingPatternAndAssignment1ES5.ts ===
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/* AssignmentPattern:
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* ObjectAssignmentPattern
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* ArrayAssignmentPattern
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* ArrayAssignmentPattern:
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* [Elision<opt> AssignmentRestElementopt ]
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* [AssignmentElementList]
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* [AssignmentElementList, Elision<opt> AssignmentRestElementopt ]
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* AssignmentElementList:
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* Elision<opt> AssignmentElement
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* AssignmentElementList, Elisionopt AssignmentElement
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* AssignmentElement:
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* LeftHandSideExpression Initialiseropt
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* AssignmentPattern Initialiseropt
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* AssignmentRestElement:
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* ... LeftHandSideExpression
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*/
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// In a destructuring assignment expression, the type of the expression on the right must be assignable to the assignment target on the left.
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// An expression of type S is considered assignable to an assignment target V if one of the following is true
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// V is an array assignment pattern, S is the type Any or an array-like type (section 3.3.2), and, for each assignment element E in V,
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// S is the type Any, or
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var [a0, a1]: any = undefined;
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>a0 : Symbol(a0, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 23, 5))
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>a1 : Symbol(a1, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 23, 8))
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>undefined : Symbol(undefined)
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var [a2 = false, a3 = 1]: any = undefined;
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>a2 : Symbol(a2, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 24, 5))
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>a3 : Symbol(a3, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 24, 16))
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>undefined : Symbol(undefined)
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// V is an array assignment pattern, S is the type Any or an array-like type (section 3.3.2), and, for each assignment element E in V,
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// S is a tuple- like type (section 3.3.3) with a property named N of a type that is assignable to the target given in E,
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// where N is the numeric index of E in the array assignment pattern, or
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var [b0, b1, b2] = [2, 3, 4];
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>b0 : Symbol(b0, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 29, 5))
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>b1 : Symbol(b1, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 29, 8))
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>b2 : Symbol(b2, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 29, 12))
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var [b3, b4, b5]: [number, number, string] = [1, 2, "string"];
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>b3 : Symbol(b3, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 5))
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>b4 : Symbol(b4, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 8))
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>b5 : Symbol(b5, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 12))
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function foo() {
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>foo : Symbol(foo, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 62))
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return [1, 2, 3];
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}
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var [b6, b7] = foo();
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>b6 : Symbol(b6, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 36, 5))
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>b7 : Symbol(b7, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 36, 8))
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>foo : Symbol(foo, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 62))
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var [...b8] = foo();
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>b8 : Symbol(b8, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 37, 5))
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>foo : Symbol(foo, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 30, 62))
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// S is not a tuple- like type and the numeric index signature type of S is assignable to the target given in E.
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var temp = [1,2,3]
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>temp : Symbol(temp, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 40, 3))
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var [c0, c1] = [...temp];
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>c0 : Symbol(c0, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 41, 5))
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>c1 : Symbol(c1, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 41, 8))
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>temp : Symbol(temp, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 40, 3))
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var [c2] = [];
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>c2 : Symbol(c2, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 42, 5))
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var [[[c3]], [[[[c4]]]]] = [[[]], [[[[]]]]]
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>c3 : Symbol(c3, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 43, 7))
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>c4 : Symbol(c4, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 43, 17))
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var [[c5], c6]: [[string|number], boolean] = [[1], true];
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>c5 : Symbol(c5, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 44, 6))
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>c6 : Symbol(c6, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 44, 10))
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var [, c7] = [1, 2, 3];
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>c7 : Symbol(c7, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 45, 6))
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var [,,, c8] = [1, 2, 3, 4];
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>c8 : Symbol(c8, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 46, 8))
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var [,,, c9] = [1, 2, 3, 4];
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>c9 : Symbol(c9, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 47, 8))
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var [,,,...c10] = [1, 2, 3, 4, "hello"];
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>c10 : Symbol(c10, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 48, 8))
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var [c11, c12, ...c13] = [1, 2, "string"];
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>c11 : Symbol(c11, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 49, 5))
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>c12 : Symbol(c12, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 49, 9))
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>c13 : Symbol(c13, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 49, 14))
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var [c14, c15, c16] = [1, 2, "string"];
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>c14 : Symbol(c14, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 50, 5))
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>c15 : Symbol(c15, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 50, 9))
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>c16 : Symbol(c16, Decl(destructuringArrayBindingPatternAndAssignment1ES5.ts, 50, 14))
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