ERRVL: Return the first argument passed (out of any number) that is not a try-error (result of try encountering an error.

Description

This function is inspired by NVL, and simply returns the first argument that is not a try-error, raising an error if all arguments are try-errors.

Usage

1

Arguments

...

Expressions to be tested; usually outputs of try.

Value

The first argument that is not a try-error. Stops with an error if all are.

See Also

try, inherits

Examples

1
2
print(ERRVL(1,2,3)) # 1
print(ERRVL(try(solve(0)),2,3)) # 2

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