RDF.Description.first
You're seeing just the function
first
, go back to RDF.Description module for more information.
Specs
first(t(), RDF.Star.Statement.coercible_predicate()) :: RDF.Star.Statement.object() | nil
Gets a single object for the given predicate of a Description.
When the predicate can not be found, the optionally given default value or nil
is returned.
Examples
iex> RDF.Description.new(EX.S, init: {EX.P, EX.O}) |> RDF.Description.first(EX.P)
RDF.iri(EX.O)
iex> RDF.Description.new(EX.S) |> RDF.Description.first(EX.foo)
nil