Nostrum.Permission.is_permission

You're seeing just the macro is_permission, go back to Nostrum.Permission module for more information.
Link to this macro

is_permission(term)

View Source (macro)

Returns true if term is a permission; otherwise returns false.

Examples

iex> Nostrum.Permission.is_permission(:administrator)
true

iex> Nostrum.Permission.is_permission(:not_a_permission)
false