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# golang
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c
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AnyOutput.ApplyStringArray(func(value pulumi.StringArrayOutput) pulumi.StringArrayOutput {
   return value
})
Result in a panic with a stacktrace
l
yes the conversion will be a little more involved:
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output.ApplyStringArray(func(v []interface{})([]string, error) {
var result []string
for _, s := range v {
result = append(result, v.(string)
}
return result, nil
})
May require a little tweaking. The signature might need to be 
func(v interface{})
with an additional type assertion in there.
🙏 1
c
Thanks a lot! I'm trying it out
This ended up working for me:
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.ApplyStringArray(func(v interface{}) ([]string, error) {
	v2 := v.([]interface{})
	var result []string
	for _, s := range v2 {
		result = append(result, s.(string))
	}
	return result, nil
})
I'm having most of my struggles with these custom pulumi types, once you learn how they're supposed to work it becomes easier to build the configurations, I think a lot of my struggles could've been solved if there were more practical examples. Some feedback for improving the docs.
l
Agree, we hope to improve the docs in this area.
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