338 lines
4.9 KiB
Go
338 lines
4.9 KiB
Go
package convert
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import (
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"fmt"
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"testing"
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"github.com/zclconf/go-cty/cty"
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)
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func TestCompareTypes(t *testing.T) {
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tests := []struct {
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A cty.Type
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B cty.Type
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Want int
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}{
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// Primitives
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{
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cty.String,
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cty.String,
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0,
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},
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{
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cty.String,
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cty.Number,
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-1,
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},
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{
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cty.Number,
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cty.String,
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1,
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},
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{
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cty.String,
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cty.Bool,
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-1,
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},
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{
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cty.Bool,
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cty.String,
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1,
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},
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{
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cty.Bool,
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cty.Number,
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0,
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},
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{
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cty.Number,
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cty.Bool,
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0,
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},
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// Lists
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{
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cty.List(cty.String),
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cty.List(cty.String),
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0,
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},
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{
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cty.List(cty.String),
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cty.List(cty.Number),
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-1,
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},
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{
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cty.List(cty.Number),
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cty.List(cty.String),
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1,
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},
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{
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cty.List(cty.String),
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cty.String,
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0,
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},
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// Sets
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{
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cty.Set(cty.String),
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cty.Set(cty.String),
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0,
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},
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{
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cty.Set(cty.String),
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cty.Set(cty.Number),
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-1,
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},
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{
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cty.Set(cty.Number),
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cty.Set(cty.String),
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1,
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},
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{
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cty.Set(cty.String),
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cty.String,
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0,
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},
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// Maps
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{
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cty.Map(cty.String),
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cty.Map(cty.String),
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0,
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},
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{
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cty.Map(cty.String),
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cty.Map(cty.Number),
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-1,
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},
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{
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cty.Map(cty.Number),
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cty.Map(cty.String),
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1,
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},
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{
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cty.Map(cty.String),
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cty.String,
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0,
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},
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// Objects
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{
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cty.EmptyObject,
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cty.EmptyObject,
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0,
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},
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{
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cty.EmptyObject,
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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}),
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0,
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},
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{
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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}),
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0,
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},
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{
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.Number,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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}),
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0,
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},
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{
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cty.Object(map[string]cty.Type{
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"number": cty.Number,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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}),
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0,
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},
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{
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.Number,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.Number,
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}),
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0,
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},
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{
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.String,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.Number,
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}),
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-1,
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},
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{
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.Number,
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}),
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cty.Object(map[string]cty.Type{
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"name": cty.String,
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"number": cty.String,
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}),
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1,
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},
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{
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// This is the tricky case where comparing types doesn't tell
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// the whole story, because there is a third type C where both
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// attributes are strings which would be a common base type
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// of these.
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cty.Object(map[string]cty.Type{
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"a": cty.String,
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"b": cty.Number,
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}),
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cty.Object(map[string]cty.Type{
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"a": cty.Number,
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"b": cty.String,
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}),
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0,
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},
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// Tuples
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{
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cty.EmptyTuple,
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cty.EmptyTuple,
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0,
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},
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{
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cty.EmptyTuple,
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cty.Tuple([]cty.Type{cty.String}),
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0,
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},
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{
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cty.Tuple([]cty.Type{cty.String}),
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cty.Tuple([]cty.Type{cty.String}),
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0,
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},
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{
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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cty.Tuple([]cty.Type{cty.String}),
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0,
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},
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{
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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0,
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},
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{
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cty.Tuple([]cty.Type{cty.String, cty.String}),
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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-1,
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},
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{
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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cty.Tuple([]cty.Type{cty.String, cty.String}),
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1,
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},
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{
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// This is the tricky case where comparing types doesn't tell
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// the whole story, because there is a third type C where both
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// elements are strings which would be a common base type
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// of these.
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cty.Tuple([]cty.Type{cty.String, cty.Number}),
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cty.Tuple([]cty.Type{cty.Number, cty.String}),
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0,
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},
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// Lists and Sets
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{
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cty.Set(cty.String),
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cty.List(cty.String),
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1,
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},
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{
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cty.List(cty.String),
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cty.Set(cty.String),
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-1,
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},
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{
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cty.List(cty.String),
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cty.Set(cty.Number),
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-1,
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},
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{
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cty.Set(cty.Number),
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cty.List(cty.String),
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1,
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},
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{
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cty.List(cty.Number),
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cty.Set(cty.String),
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-1,
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},
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{
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cty.Set(cty.String),
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cty.List(cty.Number),
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1,
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},
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// Dynamics
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{
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cty.DynamicPseudoType,
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cty.DynamicPseudoType,
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0,
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},
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{
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cty.DynamicPseudoType,
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cty.String,
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1,
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},
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{
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cty.String,
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cty.DynamicPseudoType,
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-1,
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},
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{
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cty.Number,
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cty.DynamicPseudoType,
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-1,
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},
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{
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cty.DynamicPseudoType,
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cty.Number,
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1,
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},
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{
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cty.Bool,
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cty.DynamicPseudoType,
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-1,
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},
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{
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cty.DynamicPseudoType,
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cty.Bool,
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1,
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},
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}
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for _, test := range tests {
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t.Run(fmt.Sprintf("%#v,%#v", test.A, test.B), func(t *testing.T) {
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got := compareTypes(test.A, test.B)
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if got != test.Want {
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t.Errorf(
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"wrong result\nA: %#v\nB: %#v\ngot: %#v\nwant: %#v",
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test.A, test.B,
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got, test.Want,
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)
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}
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})
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}
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}
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