hiposfer.kamal.libs.tool
useful functions that have not found a proper place yet
useful functions that have not found a proper place yet
assertclj
(assert m spec)checks that m conforms to spec. Returns an error message on error or nil otherwise
checks that m conforms to spec. Returns an error message on error or nil otherwise
coerceclj
(coerce m coercers)takes a map and a mapping of keyword to a 1 argument function. Recursively transforms m by updating its value through the passed functions. Non existent values are ignored
takes a map and a mapping of keyword to a 1 argument function. Recursively transforms m by updating its value through the passed functions. Non existent values are ignored
combinationsclj
(combinations n coll)returns a lazy sequence of all the possible combinations of the elements in coll in groups of n members. Example: (combinations 2 [:a :b :c]) ;;=> ((:a :b) (:a :c) (:b :c))
returns a lazy sequence of all the possible combinations of the elements in coll in groups of n members. Example: (combinations 2 [:a :b :c]) ;;=> ((:a :b) (:a :c) (:b :c))
gtfs-resourceclj
(gtfs-resource entity)takes an entity and checks if any of its values are entities, if so replaces them by their unique identity value.
WARNING: this works only for GTFS entities, since those obey the :name/id pattern. Any other reference entity is not guarantee to work
takes an entity and checks if any of its values are entities, if so replaces them by their unique identity value. WARNING: this works only for GTFS entities, since those obey the :name/id pattern. Any other reference entity is not guarantee to work
json-namespaceclj
(json-namespace value)takes a Clojure datastructure and destructures all namespaced keyword maps into separate maps and all sequences of namespaced keywords into sequences of simple keywords.
Accepts an sequence of custom java object which are stringified according to their own toString method.
This attempts to mimic the way that a json response would be shaped For example: (json-namespace {:a (ZoneId/of "Europe/Berlin") :c/b [:d.e :f/g]} (keys edn/java-readers)) => {:a "Europe/Berlin", :c {:b ((:d :e) (:f :g))}}
takes a Clojure datastructure and destructures all namespaced keyword maps
into separate maps and all sequences of namespaced keywords into sequences
of simple keywords.
Accepts an sequence of custom java object which are stringified according
to their own toString method.
This attempts to mimic the way that a json response would be shaped
For example:
(json-namespace {:a (ZoneId/of "Europe/Berlin") :c/b [:d.e :f/g]}
(keys edn/java-readers))
=> {:a "Europe/Berlin", :c {:b ((:d :e) (:f :g))}} map-valsclj
(map-vals f)(map-vals f coll)map over values ONLY
map over values ONLY
someclj
(some pred? coll)an alternative version of Clojure's some which uses reduce instead of recur. Useful for collections that know how to reduce themselves faster than first/next
Returns the value that caused (pred? value) to be true; as opposed to Clojure's
an alternative version of Clojure's some which uses reduce instead of recur. Useful for collections that know how to reduce themselves faster than first/next Returns the value that caused (pred? value) to be true; as opposed to Clojure's
uniqueclj
(unique)(unique coll)Returns a lazy sequence of the elements of coll with duplicates removed. Returns a stateful transducer when no collection is provided.
Returns a lazy sequence of the elements of coll with duplicates removed. Returns a stateful transducer when no collection is provided.
unique-byclj
(unique-by attr)(unique-by attr coll)Returns a lazy sequence of the elements of coll with duplicates attributes removed. Returns a stateful transducer when no collection is provided.
Returns a lazy sequence of the elements of coll with duplicates attributes removed. Returns a stateful transducer when no collection is provided.
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