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lib/protobuf/builder.ex
defmodule Protobuf.Builder do
def new(mod, attrs) do
struct(mod.__default_struct__, attrs)
end
def field_default(_, %{default: default}) when not is_nil(default), do: default
def field_default(_, %{repeated?: true}), do: []
def field_default(_, %{map?: true}), do: %{}
def field_default(:proto3, props), do: type_default(props.type)
def field_default(_, _), do: nil
def type_default(:int32), do: 0
def type_default(:int64), do: 0
def type_default(:uint32), do: 0
def type_default(:uint64), do: 0
def type_default(:sint32), do: 0
def type_default(:sint64), do: 0
def type_default(:bool), do: false
def type_default(:enum), do: 0
def type_default(:fixed32), do: 0
def type_default(:sfixed32), do: 0
def type_default(:fixed64), do: 0
def type_default(:sfixed64), do: 0
def type_default(:float), do: 0.0
def type_default(:double), do: 0.0
def type_default(:bytes), do: ""
def type_default(:string), do: ""
def type_default(_), do: nil
end