function printLabel(labelledObj: { label: string }) {
console.log(labelledObj.label);
}
var myObj = { size: 10, label: "Size 10 Object" };
printLabel(myObj);
interface LabelledValue {
label: string;
}
function printLabel(labelledObj: LabelledValue) {
console.log(labelledObj.label);
}
var myObj = { size: 10, label: "Size 10 Object" };
printLabel(myObj);
interface SquareConfig {
color?: string;
width?: number;
}
function createSquare(config: SquareConfig): { color: string; area: number } {
var newSquare = { color: "white", area: 100 };
if (config.color) {
newSquare.color = config.color;
}
if (config.width) {
newSquare.area = config.width * config.width;
}
return newSquare;
}
var mySquare = createSquare({ color: "black" });
interface SearchFunc {
(source: string, subString: string): boolean;
}
var mySearch: SearchFunc;
mySearch = function(source: string, subString: string) {
var result = source.search(subString);
if (result == -1) {
return false;
}
else {
return true;
}
}
var mySearch: SearchFunc;
mySearch = function(src: string, sub: string) {
var result = src.search(sub);
if (result == -1) {
return false;
}
else {
return true;
}
}
interface StringArray {
[index: number]: string;
}
var myArray: StringArray;
myArray = ["Bob", "Fred"];
interface StringArray {
[myIndex: number]: string;
}
var myArray: StringArray;
myArray = ["Bob", "Fred"];
interface Array{
[index: number]: any;
}
interface Dictionary{
[index: string]: any;
}
interface Dictionary {
[index: string]: string;
length: number; // error, the type of 'length' is not a subtype of the indexer
}
interface ClockInterface {
currentTime: Date;
}
class Clock implements ClockInterface {
currentTime: Date;
constructor(h: number, m: number) { }
}
interface ClockInterface {
currentTime: Date;
setTime(d: Date);
}
class Clock implements ClockInterface {
currentTime: Date;
setTime(d: Date) {
this.currentTime = d;
}
constructor(h: number, m: number) { }
}
interface ClockInterface {
new (hour: number, minute: number);
}
interface ClockInterface {
new (hour: number, minute: number);
}
class Clock implements ClockInterface {
currentTime: Date;
constructor(h: number, m: number) { }
}
interface ClockStatic {
new (hour: number, minute: number);
}
class Clock {
currentTime: Date;
constructor(h: number, m: number) { }
}
var cs: ClockStatic = Clock;
var newClock = new cs(7, 30);
interface Shape {
color: string;
}
interface Square extends Shape {
sideLength: number;
}
var square = <Square>{};
square.color = "blue";
square.sideLength = 10;
interface Shape {
color: string;
}
interface PenStroke {
penWidth: number;
}
interface Square extends Shape, PenStroke {
sideLength: number;
}
var square = <Square>{};
square.color = "blue";
square.sideLength = 10;
square.penWidth = 5.0;
interface Shape {
color: string;
test: number;
}
interface PenStroke {
penWidth: number;
test: string;
}
interface Square extends Shape, PenStroke {
sideLength: number;
}
interface Counter {
(start: number): string;
interval: number;
reset(): void;
}
var c: Counter;
c(10);
c.reset();
c.interval = 5.0;
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