355 lines
8.4 KiB
Plaintext
355 lines
8.4 KiB
Plaintext
=== tests/cases/conformance/expressions/functions/arrowFunctionExpressions.ts ===
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// ArrowFormalParameters => AssignmentExpression is equivalent to ArrowFormalParameters => { return AssignmentExpression; }
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var a = (p: string) => p.length;
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>a : (p: string) => number
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>(p: string) => p.length : (p: string) => number
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>p : string
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>p.length : number
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>p : string
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>length : number
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var a = (p: string) => { return p.length; }
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>a : (p: string) => number
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>(p: string) => { return p.length; } : (p: string) => number
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>p : string
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>p.length : number
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>p : string
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>length : number
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// Identifier => Block is equivalent to(Identifier) => Block
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var b = j => { return 0; }
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>b : (j: any) => number
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>j => { return 0; } : (j: any) => number
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>j : any
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>0 : number
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var b = (j) => { return 0; }
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>b : (j: any) => number
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>(j) => { return 0; } : (j: any) => number
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>j : any
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>0 : number
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// Identifier => AssignmentExpression is equivalent to(Identifier) => AssignmentExpression
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var c: number;
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>c : number
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var d = n => c = n;
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>d : (n: any) => any
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>n => c = n : (n: any) => any
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>n : any
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>c = n : any
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>c : number
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>n : any
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var d = (n) => c = n;
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>d : (n: any) => any
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>(n) => c = n : (n: any) => any
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>n : any
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>c = n : any
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>c : number
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>n : any
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var d: (n: any) => any;
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>d : (n: any) => any
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>n : any
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// Binding patterns in arrow functions
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var p1 = ([a]) => { };
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>p1 : ([a]: [any]) => void
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>([a]) => { } : ([a]: [any]) => void
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>a : any
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var p2 = ([...a]) => { };
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>p2 : ([...a]: any[]) => void
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>([...a]) => { } : ([...a]: any[]) => void
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>a : any[]
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var p3 = ([, a]) => { };
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>p3 : ([, a]: [any, any]) => void
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>([, a]) => { } : ([, a]: [any, any]) => void
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> : undefined
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>a : any
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var p4 = ([, ...a]) => { };
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>p4 : ([, ...a]: any[]) => void
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>([, ...a]) => { } : ([, ...a]: any[]) => void
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> : undefined
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>a : any[]
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var p5 = ([a = 1]) => { };
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>p5 : ([a = 1]: [number]) => void
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>([a = 1]) => { } : ([a = 1]: [number]) => void
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>a : number
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>1 : number
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var p6 = ({ a }) => { };
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>p6 : ({ a }: { a: any; }) => void
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>({ a }) => { } : ({ a }: { a: any; }) => void
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>a : any
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var p7 = ({ a: { b } }) => { };
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>p7 : ({ a: { b } }: { a: { b: any; }; }) => void
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>({ a: { b } }) => { } : ({ a: { b } }: { a: { b: any; }; }) => void
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>a : any
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>b : any
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var p8 = ({ a = 1 }) => { };
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>p8 : ({ a = 1 }: { a?: number; }) => void
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>({ a = 1 }) => { } : ({ a = 1 }: { a?: number; }) => void
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>a : number
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>1 : number
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var p9 = ({ a: { b = 1 } = { b: 1 } }) => { };
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>p9 : ({ a: { b = 1 } = { b: 1 } }: { a?: { b: number; }; }) => void
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>({ a: { b = 1 } = { b: 1 } }) => { } : ({ a: { b = 1 } = { b: 1 } }: { a?: { b: number; }; }) => void
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>a : any
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>b : number
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>1 : number
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>{ b: 1 } : { b: number; }
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>b : number
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>1 : number
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var p10 = ([{ value, done }]) => { };
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>p10 : ([{ value, done }]: [{ value: any; done: any; }]) => void
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>([{ value, done }]) => { } : ([{ value, done }]: [{ value: any; done: any; }]) => void
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>value : any
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>done : any
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// Arrow function used in class member initializer
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// Arrow function used in class member function
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class MyClass {
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>MyClass : MyClass
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m = (n) => n + 1;
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>m : (n: any) => any
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>(n) => n + 1 : (n: any) => any
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>n : any
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>n + 1 : any
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>n : any
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>1 : number
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p = (n) => n && this;
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>p : (n: any) => MyClass
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>(n) => n && this : (n: any) => MyClass
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>n : any
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>n && this : MyClass
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>n : any
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>this : MyClass
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fn() {
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>fn : () => void
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var m = (n) => n + 1;
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>m : (n: any) => any
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>(n) => n + 1 : (n: any) => any
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>n : any
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>n + 1 : any
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>n : any
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>1 : number
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var p = (n) => n && this;
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>p : (n: any) => MyClass
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>(n) => n && this : (n: any) => MyClass
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>n : any
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>n && this : MyClass
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>n : any
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>this : MyClass
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}
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}
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// Arrow function used in arrow function
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var arrrr = () => (m: number) => () => (n: number) => m + n;
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>arrrr : () => (m: number) => () => (n: number) => number
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>() => (m: number) => () => (n: number) => m + n : () => (m: number) => () => (n: number) => number
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>(m: number) => () => (n: number) => m + n : (m: number) => () => (n: number) => number
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>m : number
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>() => (n: number) => m + n : () => (n: number) => number
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>(n: number) => m + n : (n: number) => number
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>n : number
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>m + n : number
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>m : number
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>n : number
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var e = arrrr()(3)()(4);
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>e : number
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>arrrr()(3)()(4) : number
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>arrrr()(3)() : (n: number) => number
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>arrrr()(3) : () => (n: number) => number
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>arrrr() : (m: number) => () => (n: number) => number
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>arrrr : () => (m: number) => () => (n: number) => number
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>3 : number
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>4 : number
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var e: number;
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>e : number
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// Arrow function used in arrow function used in function
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function someFn() {
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>someFn : () => void
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var arr = (n: number) => (p: number) => p * n;
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>arr : (n: number) => (p: number) => number
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>(n: number) => (p: number) => p * n : (n: number) => (p: number) => number
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>n : number
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>(p: number) => p * n : (p: number) => number
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>p : number
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>p * n : number
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>p : number
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>n : number
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arr(3)(4).toExponential();
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>arr(3)(4).toExponential() : string
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>arr(3)(4).toExponential : (fractionDigits?: number) => string
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>arr(3)(4) : number
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>arr(3) : (p: number) => number
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>arr : (n: number) => (p: number) => number
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>3 : number
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>4 : number
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>toExponential : (fractionDigits?: number) => string
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}
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// Arrow function used in function
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function someOtherFn() {
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>someOtherFn : () => void
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var arr = (n: number) => '' + n;
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>arr : (n: number) => string
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>(n: number) => '' + n : (n: number) => string
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>n : number
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>'' + n : string
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>'' : string
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>n : number
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arr(4).charAt(0);
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>arr(4).charAt(0) : string
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>arr(4).charAt : (pos: number) => string
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>arr(4) : string
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>arr : (n: number) => string
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>4 : number
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>charAt : (pos: number) => string
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>0 : number
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}
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// Arrow function used in nested function in function
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function outerFn() {
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>outerFn : () => void
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function innerFn() {
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>innerFn : () => void
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var arrowFn = () => { };
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>arrowFn : () => void
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>() => { } : () => void
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var p = arrowFn();
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>p : void
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>arrowFn() : void
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>arrowFn : () => void
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var p: void;
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>p : void
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}
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}
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// Arrow function used in nested function in arrow function
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var f = (n: string) => {
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>f : (n: string) => () => string
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>(n: string) => { function fn(x: number) { return () => n + x; } return fn(4);} : (n: string) => () => string
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>n : string
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function fn(x: number) {
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>fn : (x: number) => () => string
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>x : number
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return () => n + x;
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>() => n + x : () => string
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>n + x : string
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>n : string
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>x : number
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}
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return fn(4);
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>fn(4) : () => string
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>fn : (x: number) => () => string
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>4 : number
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}
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var g = f('')();
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>g : string
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>f('')() : string
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>f('') : () => string
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>f : (n: string) => () => string
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>'' : string
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var g: string;
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>g : string
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// Arrow function used in nested function in arrow function in nested function
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function someOuterFn() {
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>someOuterFn : () => (n: string) => () => () => number
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var arr = (n: string) => {
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>arr : (n: string) => () => () => number
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>(n: string) => { function innerFn() { return () => n.length; } return innerFn; } : (n: string) => () => () => number
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>n : string
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function innerFn() {
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>innerFn : () => () => number
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return () => n.length;
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>() => n.length : () => number
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>n.length : number
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>n : string
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>length : number
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}
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return innerFn;
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>innerFn : () => () => number
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}
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return arr;
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>arr : (n: string) => () => () => number
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}
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var h = someOuterFn()('')()();
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>h : number
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>someOuterFn()('')()() : number
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>someOuterFn()('')() : () => number
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>someOuterFn()('') : () => () => number
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>someOuterFn() : (n: string) => () => () => number
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>someOuterFn : () => (n: string) => () => () => number
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>'' : string
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h.toExponential();
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>h.toExponential() : string
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>h.toExponential : (fractionDigits?: number) => string
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>h : number
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>toExponential : (fractionDigits?: number) => string
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// Arrow function used in try/catch/finally in function
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function tryCatchFn() {
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>tryCatchFn : () => void
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try {
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var x = () => this;
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>x : () => any
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>() => this : () => any
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>this : any
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} catch (e) {
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>e : any
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var t = () => e + this;
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>t : () => any
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>() => e + this : () => any
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>e + this : any
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>e : any
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>this : any
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} finally {
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var m = () => this + '';
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>m : () => string
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>() => this + '' : () => string
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>this + '' : string
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>this : any
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>'' : string
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}
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}
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