/TypeScript/Typescript pass a function as an argunetn

Typescript pass a function as an argunetn

class Foo {
    save(callback: (n: number) => any) : void {
        callback(42);
    }
}
var foo = new Foo();

var strCallback = (result: string) : void => {
    alert(result);
}
var numCallback = (result: number) : void => {
    alert(result.toString());
}

foo.save(strCallback); // not OK
foo.save(numCallback); // OK

Source: stackoverflow.com

Similar codes

0 vote488 views1 answer
Warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘int’
TypeScript
1 vote340 views1 answer
Whats harry potter's house
TypeScript
3 votes376 views2 answers
Sort array by date typescript
TypeScript
2 votes356 views1 answer
Ionic is web check
TypeScript
0 vote314 views1 answer
Vsc typescript auto build on save
TypeScript
0 vote337 views1 answer
How push objects into a local stotage array
TypeScript
0 vote336 views1 answer
.htaccess Preventing requests with invalid characters
TypeScript
0 vote386 views2 answers
Can subclass method infere exceptions of its superclass method
TypeScript
22 votes355 views4 answers
Typescript string to number
TypeScript
0 vote335 views1 answer
How to clear all products woocommerce keep category
TypeScript