experimental.catch() function
experimental.catch() is subject to change at any time.
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}
For more information, see Function type signatures.
Parameters
fn
(Required) Function to call.
Examples
Catch an explicit error
import "experimental"
experimental.catch(fn: () => die(msg: "error message"))// Returns "error message"
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