experimental.catch() function

experimental.catch() calls a function and returns any error as a string value. If the function does not error the returned value is made into a string and returned.

Function type signature

(fn: () => A) => {value: A, msg: string, code: uint}

Parameters

fn

(Required) Function to call.

Examples

Catch an explicit error

import "experimental"

experimental.catch(fn: () => die(msg: "error message"))// Returns "error message"