External module "utils/try-catch/docs/types/index.d"

Export assignment trycatch

• trycatch<T, U>(x: () => T, y: U): T | U

• If a function does not throw, returns the function return value; otherwise, returns y.

  Type parameters

  • T

  • U

  Parameters

  • x: () => T

    function to try invoking

    • • (): T

      • Returns T

  • y: U

    value to return if a function throws

  Returns T | U

  either the return value of x or the provided argument y

  Example

  var randu = require( '@stdlib/random/base/randu' );
  
  function x() {
      if ( randu() < 0.5 ) {
          throw new Error( 'beep' );
      }
      return 1.0;
  }
  var z = trycatch( x, -1.0 );
  // returns <number>