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tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(2,1): error TS2410: The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'.
tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(30,9): error TS18033: Type '() => number' is not assignable to type 'number' as required for computed enum member values.
tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(31,16): error TS2332: 'this' cannot be referenced in current location.
tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(43,5): error TS2410: The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'.
tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(71,13): error TS18033: Type '() => number' is not assignable to type 'number' as required for computed enum member values.
tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts(72,20): error TS2332: 'this' cannot be referenced in current location.
==== tests/cases/conformance/expressions/functions/arrowFunctionContexts.ts (6 errors) ====
// Arrow function used in with statement
with (window) {
~~~~~~~~~~~~~
!!! error TS2410: The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'.
var p = () => this;
}
// Arrow function as argument to super call
class Base {
constructor(n: any) { }
}
class Derived extends Base {
constructor() {
super(() => this);
}
}
// Arrow function as function argument
window.setTimeout(() => null, 100);
// Arrow function as value in array literal
var obj = (n: number) => '';
var obj: { (n: number): string; }; // OK
var arr = [(n: number) => ''];
var arr: { (n: number): string; }[]; // Incorrect error here (bug 829597)
// Arrow function as enum value
enum E {
x = () => 4, // Error expected
~~~~~~~
!!! error TS18033: Type '() => number' is not assignable to type 'number' as required for computed enum member values.
y = (() => this).length // error, can't use this in enum
~~~~
!!! error TS2332: 'this' cannot be referenced in current location.
}
// Arrow function as module variable initializer
module M {
export var a = (s) => '';
var b = (s) => s;
}
// Repeat above for module members that are functions? (necessary to redo all of them?)
module M2 {
// Arrow function used in with statement
with (window) {
~~~~~~~~~~~~~
!!! error TS2410: The 'with' statement is not supported. All symbols in a 'with' block will have type 'any'.
var p = () => this;
}
// Arrow function as argument to super call
class Base {
constructor(n: any) { }
}
class Derived extends Base {
constructor() {
super(() => this);
}
}
// Arrow function as function argument
window.setTimeout(() => null, 100);
// Arrow function as value in array literal
var obj = (n: number) => '';
var obj: { (n: number): string; }; // OK
var arr = [(n: number) => ''];
var arr: { (n: number): string; }[]; // Incorrect error here (bug 829597)
// Arrow function as enum value
enum E {
x = () => 4, // Error expected
~~~~~~~
!!! error TS18033: Type '() => number' is not assignable to type 'number' as required for computed enum member values.
y = (() => this).length
~~~~
!!! error TS2332: 'this' cannot be referenced in current location.
}
// Arrow function as module variable initializer
module M {
export var a = (s) => '';
var b = (s) => s;
}
}
// <Identifier>(ParamList) => { ... } is a generic arrow function
var generic1 = <T>(n: T) => [n];
var generic1: { <T>(n: T): T[] }; // Incorrect error, Bug 829597
var generic2 = <T>(n: T) => { return [n]; };
var generic2: { <T>(n: T): T[] };
// <Identifier> ((ParamList) => { ... } ) is a type assertion to an arrow function
var asserted1 = <any>((n) => [n]);
var asserted1: any;
var asserted2 = <any>((n) => { return n; });
var asserted2: any;
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