co.multiply.conc.deque — co.multiply/conc 0.1.2

Lock-free doubly-linked deque with eager folding.

Cross-platform macros for deque operations. On the JVM, uses Java implementation with VarHandle atomics. On ClojureScript, uses a single-threaded implementation with mutable fields.

add clj/s macro

(add deque link)

Add a link to the tail of the deque.

Returns true if the link was added, false if it was already in a deque.

addFirst clj/s macro

(addFirst deque link)

Add a link to the head of the deque.

Returns true if the link was added, false if it was already in a deque.

forEach clj/s macro

(forEach [sym deque] & body)

Iterate over all links in the deque.

isEmpty clj/s macro

(isEmpty deque)

Check if the deque is empty.

iterator clj/s macro

(iterator deque)

Get an iterator over the deque.

iteratorHasNext clj/s macro

(iteratorHasNext it)

Check if the iterator has more elements.

iteratorNext clj/s macro

(iteratorNext it)

Get the next element from the iterator.

new-deque clj/s macro

(new-deque)

Create a new deque.

poll clj/s macro

(poll deque)

Remove and return the first link from the deque, or nil if empty.

pollEnd clj/s macro

(pollEnd deque)

Remove and return the last link from the deque, or nil if empty.

remove clj/s macro

(remove deque link)

Remove a link from the deque.

Returns true if this call initiated the removal, false if already removed or not in this deque.

size clj/s macro

(size deque)

Get the size of the deque.