Option checkers
These functions return a function that is used by the options manager internally to check whether an option set by the user is allowed.
inlist(...) inrange(min = -Inf, max = Inf)
... |
comma-separated list of allowed values. |
min |
minimum value (for numeric options) |
max |
maximum value (for numeric options) |
options_manager
for examples.
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.