statnet.common (version 3.2.3)

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

ERRVL(...)

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

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