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Support negative integer literals in types #20

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Support negative integer literals in types #20

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4 changes: 4 additions & 0 deletions lib/spect.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,10 @@ defmodule Spect do
to_kind!(data, module, type, params)
end

defp to_kind!(data, _module, {:op, _, :-, {:integer, _, value}}, _params) do
to_lit!(data, :integer, -value)
end

defp to_kind!(data, _module, {kind, _line, value}, _params) do
to_lit!(data, kind, value)
end
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3 changes: 3 additions & 0 deletions test/spect_test.exs
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Expand Up @@ -36,6 +36,9 @@ defmodule Spect.Test do
assert to_spec(1, Specs, :literal_1) === {:ok, 1}
{:error, %ConvertError{}} = to_spec(2, Specs, :literal_1)

assert to_spec(-1, Specs, :literal_minus_1) === {:ok, -1}
{:error, %ConvertError{}} = to_spec(-2, Specs, :literal_minus_1)

assert to_spec([], Specs, :literal_list) === {:ok, []}
{:error, %ConvertError{}} = to_spec(1, Specs, :literal_list)

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1 change: 1 addition & 0 deletions test/support/specs.ex
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Expand Up @@ -6,6 +6,7 @@ defmodule Spect.Support.Specs do
@type literal_true :: true
@type literal_false :: false
@type literal_1 :: 1
@type literal_minus_1 :: -1
@type literal_list :: []
@type literal_map :: %{}

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