Eta
Stdlib
std.hashmap
Helpers built over the runtime hash-map primitives.
(import std.hashmap)
| Symbol | Description |
|---|---|
(hash-map-empty? m) | True when m has no entries. |
(hash-map-contains? m key) | True when key is present. |
(hash-map-update m key f) | Return a new map where key is replaced by (f current). |
(hash-map-update-with-default m key f default) | Like hash-map-update but uses default when the key is absent. |
(hash-map-merge a b) | Merge two maps; values from b win on conflict. |
(hash-map-merge-with f a b) | Merge using (f a-val b-val) to combine collisions. |
(hash-map-map f m) | Map values; f receives (key value). |
(hash-map-filter pred m) | Keep entries for which (pred key value) is true. |
(hash-map->alist m) | Convert to an association list. |
(alist->hash-map xs) | Build a map from an association list. |