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fp-go/readerioeither/sequence_test.go

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package readerioeither
import (
"context"
"testing"
ET "github.com/ibm/fp-go/either"
T "github.com/ibm/fp-go/tuple"
"github.com/stretchr/testify/assert"
)
func TestSequence2(t *testing.T) {
// two readers of heterogeneous types
first := Of[context.Context, error]("a")
second := Of[context.Context, error](1)
// compose
s2 := SequenceT2[context.Context, error, string, int]
res := s2(first, second)
ctx := context.Background()
assert.Equal(t, ET.Right[error](T.MakeTuple2("a", 1)), res(ctx)())
}