162 lines
3.1 KiB
Plaintext
162 lines
3.1 KiB
Plaintext
// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`test.js 1`] = `
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====================================options=====================================
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parsers: ["flow"]
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printWidth: 80
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| printWidth
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=====================================input======================================
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/**
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* Test nonstrict type param arity checking,
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* as enabled by
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*
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* [options]
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* experimental.strict_type_args=false
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*
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* in .flowconfig.
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*
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* @flow
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*/
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// no arity error in type annotation using polymorphic class
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class MyClass<T> {
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x: T;
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constructor(x: T) {
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this.x = x;
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}
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}
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var c: MyClass = new MyClass(0); // no error
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// no arity error in type annotation using polymorphic class with defaulting
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class MyClass2<T, U = string> {
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x: T;
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y: U;
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constructor(x: T, y: U) {
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this.x = x;
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this.y = y;
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}
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}
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var c2: MyClass2 = new MyClass2(0, ""); // no error
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// no arity error in type annotation using polymorphic type alias
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type MyObject<T> = {
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x: T;
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}
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var o: MyObject = { x: 0 }; // no error
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// arity error in type alias rhs
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type MySubobject = { y: number } & MyObject; // no error
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// arity error in interface extends
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interface MyInterface<T> {
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x: T;
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}
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interface MySubinterface extends MyInterface { // no error
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y: number;
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}
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// no arity error in extends of polymorphic class
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class MySubclass extends MyClass { // ok, type arg inferred
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y: number;
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constructor(y: number) {
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super(y);
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}
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}
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// no arity error in call of polymorphic function
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function singleton<T>(x: T):Array<T> { return [x]; }
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var num_array:Array<number> = singleton(0); // ok, type arg inferred
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=====================================output=====================================
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/**
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* Test nonstrict type param arity checking,
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* as enabled by
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*
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* [options]
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* experimental.strict_type_args=false
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*
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* in .flowconfig.
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*
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* @flow
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*/
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// no arity error in type annotation using polymorphic class
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class MyClass<T> {
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x: T;
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constructor(x: T) {
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this.x = x;
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}
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}
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var c: MyClass = new MyClass(0); // no error
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// no arity error in type annotation using polymorphic class with defaulting
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class MyClass2<T, U = string> {
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x: T;
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y: U;
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constructor(x: T, y: U) {
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this.x = x;
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this.y = y;
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}
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}
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var c2: MyClass2 = new MyClass2(0, ""); // no error
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// no arity error in type annotation using polymorphic type alias
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type MyObject<T> = {
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x: T
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};
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var o: MyObject = { x: 0 }; // no error
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// arity error in type alias rhs
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type MySubobject = { y: number } & MyObject; // no error
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// arity error in interface extends
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interface MyInterface<T> {
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x: T;
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}
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interface MySubinterface extends MyInterface {
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// no error
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y: number;
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}
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// no arity error in extends of polymorphic class
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class MySubclass extends MyClass {
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// ok, type arg inferred
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y: number;
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constructor(y: number) {
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super(y);
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}
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}
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// no arity error in call of polymorphic function
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function singleton<T>(x: T): Array<T> {
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return [x];
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}
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var num_array: Array<number> = singleton(0); // ok, type arg inferred
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================================================================================
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`;
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