uniq multimethod

Methods

uniq(e:Eachable1, cb:Fun=method) Source: stdlib.ngs:3162

Return unique values. Warning: uses Hash so comparison is not using == but a built-in hash keys comparison.

Returns

Of same type as e

Example

[1,2,2,3,4,4].uniq()  # [1,2,3,4]
[{"a": 1, "z": 10}, {"a": 1, "z": 20}, {"a": 2, "z": 30}].uniq(X.a)  # [{"a": 1, "z": 10}, {"a": 2, "z": 30}]

uniq(e:Eachable1, field:Str) Source: stdlib.ngs:3183

Return unique values. Warning: uses Hash so comparison is not using == but a built-in hash keys comparison.

Returns

Of same type as e

Example

[{"id": 100, "a": 1}, {"id": 200, "a": 2}, {"id": 300, "a": 2}].uniq("a")  # [{"id": 100, "a": 1}, {"id": 200, "a": 2}]