squirrel.tree — org.clojars.eureton/squirrel 0.1.0

*identity* clj

Identity element for the squirrel.tree/add binary operation.

add clj

(add)

(add x)

(add x y)

(add x y & ys)

Makes tree y the last descendant of tree x. If x has no children, y becomes the first child of x. Is associative with identity as identity element. Variadic version is shorthand for reducing over the arguments.

filter clj

(filter pred tree)

Tree consisting of those nodes for which (pred node) returns logical true. Function pred must be free of side-effects. If run on nil or identity, returns identity.

map clj

(map f tree)

Tree consisting of the result of applying f to each node in tree. Nodes are walked in breadth-first order. Any modifications f makes to the collection of child nodes and/or to the child nodes themselves will be observable in later calls. If run on nil or identity, returns identity.

reduce clj

(reduce f tree traversal)

(reduce f init tree traversal)

Reduces tree to a value by applying f to the data of each node in tree. Has the same signature as clojure.core/reduce, with the addition of traversal, which must be either :depth-first or :breadth-first.

remove clj

(remove pred tree)

Shorthand for (squirrel.tree/filter (complement pred) tree)

seq clj

(seq tree)

(seq tree options)

Sequence representation of tree. If tree is identity or nil, returns nil. The :traversal key in the options hash may be either :depth-first or :breadth-first, the former being the default.

seq-inner clj multimethod

Don't call this directly, use squirrel.tree/seq instead.

weighty? clj

(weighty? tree)

True if tree is neither nil nor identity, false otherwise.