/TypeScript/Check type of object typescript

Check type of object typescript

function isFish(pet: Fish | Bird): pet is Fish {
   return (<Fish>pet).swim !== undefined;
}

// Both calls to 'swim' and 'fly' are now okay.
if (isFish(pet)) {
  pet.swim();
}
else {
  pet.fly();
}

Source: stackoverflow.com

Similar codes

0 vote142 views1 answer
Python write a program that asks the user for a weight in kilograms and converts it to pounds
TypeScript
0 vote161 views1 answer
- beyondcode/laravel-websockets is locked to version 1.12.0 and an update of this package was not requested.
TypeScript
-1 vote145 views1 answer
Two lists into one list of tules
TypeScript
0 vote143 views2 answers
Property 'of' does not exist on type 'typeof Observable'.
TypeScript
0 vote133 views1 answer
Loading assets in ionic react
TypeScript
2 votes140 views2 answers
Organize imports on save vscode
TypeScript
0 vote150 views1 answer
How to loop the jquery formData key object in jqueyr
TypeScript
-1 vote148 views2 answers
Hhow to remove elements from java
TypeScript
0 vote144 views1 answer
Dig WWW.EXAMPLE.COM +nostats +nocomments +nocmd
TypeScript
0 vote156 views1 answer
How to use array pop in typescript
TypeScript