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Each eventspace has its own instance of snip-class-list<%>,
obtained with (get-the-snip-class-list). New instances
cannot be created directly. Each instance keeps a list of snip
classes. This list is needed for loading snips from a file. See also
Snip Classes.
method
snipclass : (is-a?/c snip-class%)
Adds a snip class to the list. If a class with the same name already
exists in the list, this one will not be added.
Finds a snip class from the list with the given name, returning
#f if none is found.
method
(send a-snip-class-list find-position class)
→ exact-nonnegative-integer? class : (is-a?/c snip-class%)
Returns an index into the list for the specified class.
method
→ (or/c (is-a?/c snip-class%) #f) n : exact-nonnegative-integer?
Returns the nth class in the list, or #f if
the list has n classes or less.
method
(send a-snip-class-list number) → exact-nonnegative-integer?
Returns the number of snip classes in the list.