AkkomaGang/rdf-ex
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Provide fallback implementations for Enumerable.slice/1

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This commit is contained in:
Marcel Otto 2018-03-09 23:18:08 +01:00
parent 4b26493c9f
commit 56436f85af
4 changed files with 11 additions and 6 deletions
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5
lib/rdf/dataset.ex
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@ -726,8 +726,9 @@ defmodule RDF.Dataset do
defimpl Enumerable do
def member?(graph, statement), do: {:ok, RDF.Dataset.include?(graph, statement)}
def count(graph), do: {:ok, RDF.Dataset.statement_count(graph)}
def member?(dataset, statement), do: {:ok, RDF.Dataset.include?(dataset, statement)}
def count(dataset), do: {:ok, RDF.Dataset.statement_count(dataset)}
def slice(_dataset), do: {:error, __MODULE__}
def reduce(%RDF.Dataset{graphs: graphs}, {:cont, acc}, _fun)
when map_size(graphs) == 0, do: {:done, acc}

5
lib/rdf/description.ex
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@ -570,8 +570,9 @@ defmodule RDF.Description do
defimpl Enumerable do
def member?(desc, triple), do: {:ok, RDF.Description.include?(desc, triple)}
def count(desc), do: {:ok, RDF.Description.count(desc)}
def member?(desc, triple), do: {:ok, RDF.Description.include?(desc, triple)}
def count(desc), do: {:ok, RDF.Description.count(desc)}
def slice(_desc), do: {:error, __MODULE__}
def reduce(%RDF.Description{predications: predications}, {:cont, acc}, _fun)
when map_size(predications) == 0, do: {:done, acc}

6
lib/rdf/graph.ex
View file

@ -600,8 +600,9 @@ defmodule RDF.Graph do
defimpl Enumerable do
def member?(desc, triple), do: {:ok, RDF.Graph.include?(desc, triple)}
def count(desc), do: {:ok, RDF.Graph.triple_count(desc)}
def member?(graph, triple), do: {:ok, RDF.Graph.include?(graph, triple)}
def count(graph), do: {:ok, RDF.Graph.triple_count(graph)}
def slice(_graph), do: {:error, __MODULE__}
def reduce(%RDF.Graph{descriptions: descriptions}, {:cont, acc}, _fun)
when map_size(descriptions) == 0, do: {:done, acc}
@ -615,6 +616,7 @@ defmodule RDF.Graph do
def reduce(%RDF.Graph{} = graph, {:suspend, acc}, fun) do
{:suspended, acc, &reduce(graph, &1, fun)}
end
end

1
lib/rdf/list.ex
View file

@ -240,5 +240,6 @@ defmodule RDF.List do
def member?(_, _), do: {:error, __MODULE__}
def count(_), do: {:error, __MODULE__}
def slice(_), do: {:error, __MODULE__}
end
end