Keep entries which pass a test.
{[k₀, v₀], [k₁, v₁], ...} | ft(vᵢ) = true; [kᵢ, vᵢ] ∈ x
an object
test function (v, k, x)
Generated using TypeDoc
Keep entries which pass a test.
Returns
{[k₀, v₀], [k₁, v₁], ...} | ft(vᵢ) = true; [kᵢ, vᵢ] ∈ x