Checks the validity of provided players argument
Arguments
- players
argument to check
Value
TRUE if valid argument, FALSE otherwise
Examples
playersIsValid(players="goalies") # TRUE
#> Error in playersIsValid(players = "goalies"): could not find function "playersIsValid"
playersIsValid(players="Skate") # FALSE
#> Error in playersIsValid(players = "Skate"): could not find function "playersIsValid"