advent-utils.core — advent-utils 0.1.4

count-if clj

(count-if coll pred)

Find the count of items in coll that satisfy predicate pred

fmap clj

(fmap f m)

Applies the function f to the values of the map m

index-of clj

(index-of x coll)

Find the index position of x within coll. Only returns the first match, even when there are multiple matches. Returns nil if x is not found

invert-map clj

(invert-map m)

Swap keys and values for map m. Unlikely to do what you want if there isn't a 1-1 mapping

kmap clj

(kmap f m)

Applies the function f to the keys of the map m

puzzle-input clj

(puzzle-input filename)

Load a puzzle input (from the resources directory in your project) as a seq, with each line in the input as an element in the seq

rotate clj

(rotate n coll)

Rotate the collection by n. Positive values of n rotate to the left, meaning that values are taken from the beginning of coll and moved to the end. Negative values of n rotate to the right, meaning values are taken from the end of coll and moved to the front

split-at-blankline clj

(split-at-blankline input)

Splits a seq of lines (e.g. produced by puzzle-input) into a collection of chunks, each chunk with a seq of lines

without-keys clj

(without-keys map keyseq)

Returns a map with only the entries in map whose key isn't in keyseq