- Page 1 and 2: TypeScript Language Specification V
- Page 3 and 4: Table of Contents 1 Introduction ..
- Page 5 and 6: 4.9.1 Standard Function Expressions
- Page 7: 9.1 Enum Declarations .............
- Page 11 and 12: 1.1 Ambient Declarations An ambient
- Page 13 and 14: call '$' as a function. The behavio
- Page 15 and 16: function getX(p: Point) { return p.
- Page 17 and 18: This TypeScript class declaration c
- Page 19 and 20: Section 9 describes how programmers
- Page 21 and 22: Interface definitions, like the one
- Page 23 and 24: TypeScript modules provide a mechan
- Page 25 and 26: 2 Basic Concepts The remainder of t
- Page 27 and 28: Each enum declaration has a declara
- Page 29: When an identifier is resolved as a
- Page 32 and 33: which infers the type of 'x' to be
- Page 34 and 35: The only possible values for the Vo
- Page 36 and 37: interface Array { length: number; [
- Page 38 and 39: 3.4 Union Types Union types represe
- Page 40 and 41: 3.5 Type Parameters A type paramete
- Page 42 and 43: 3.6 Named Types Classes, interfaces
- Page 44 and 45: 3.7.1 Predefined Types The any, num
- Page 46 and 47: TypeMember: PropertySignature CallS
- Page 48 and 49: 3.7.8 Constructor Type Literals A c
- Page 50 and 51: 3.8.2 Call Signatures A call signat
- Page 52 and 53: RestParameter: ... Identifier TypeA
- Page 54 and 55: IndexSignature: [ Identifier : stri
- Page 56 and 57: Type aliases are referenced using t
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o o If each type in U has an appare
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o o o M is a non-specialized call o
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3.10.5 Contextual Signature Instant
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interface List { data: T; next: Lis
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4.3 Identifiers When an expression
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of the object literal includes a nu
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A super call invokes the constructo
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( id ) => { ... } ( id ) => expr Th
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A dot notation property access of t
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If func is of type Any, or of an ob
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An example: signature are fixed, an
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This rule means that the call to 'f
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4.14.4 The delete Operator The 'del
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Any Boolean Number String Other Any
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where ??= is one of the compound as
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4.18 The Comma Operator The comma o
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function foo(x: number | string) {
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function processValue(value: number
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5 Statements This chapter describes
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BindingProperty: Identifier Initial
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Similarly, an array destructuring d
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5.5 Continue Statements A 'continue
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6 Functions TypeScript extends Java
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function f(x: number) { if (x
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When the output target is ECMAScrip
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101
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An interface has the members specif
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interface Document { createElement(
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8 Classes TypeScript supports class
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The following constraints must be s
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Private and protected accessibility
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interface A { x: number; f: () => v
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ConstructorOverloads: ConstructorOv
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BaseClass.apply(this, arguments); a
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Initializer expressions for instanc
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var x = A.create(); // new A() var
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MemberVariableAssignments is a sequ
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In addition, the '__extends' functi
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9 Enums An enum type is a distinct
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An identifier or property access th
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var Color; (function (Color) { Colo
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If the declaration of 'M' above had
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module A { export interface X { s:
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module outer { var local = 1; expor
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where ModuleName is the name of the
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DeclarationElement: ExportAssignmen
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that source file is considered an e
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Unlike a non-instantiated internal
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import g = require("./geometry"); v
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12.1.3 Ambient Class Declarations A
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An ExternalImportDeclaration in an
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PrimaryType: ParenthesizedType Pred
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ParameterList: RequiredParameterLis
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UnaryExpression: ( Modified ) … <
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ClassExtendsClause: extends ClassTy
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ModuleBody: ModuleElements opt Modu
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AmbientClassBodyElements: AmbientCl