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lib/vector/errors.ex
defmodule Aja.Vector.IndexError do
defexception [:index, :size]
@impl true
def exception(index: index, size: size) do
%__MODULE__{index: index, size: size}
end
@impl true
def message(%__MODULE__{index: index, size: 0}) do
"out of bound index: #{index} for empty vector"
end
def message(%__MODULE__{index: index, size: size}) do
"out of bound index: #{index} not in #{-size}..#{size - 1}"
end
end
defmodule Aja.Vector.EmptyError do
defexception []
@impl true
def exception(_) do
%__MODULE__{}
end
@impl true
def message(%__MODULE__{}) do
"empty vector error"
end
end