I'm curious why Go does't implicitly convert []T to []interface{} when it will implicitly convert T to interface{}. Is there something non-trivial about this conversion that I'm missing? Example:...

If I understand Go practices correctly, callers (aka consumers) are supposed to define interfaces of what they want to use from their dependencies (aka producers). However, if the producer has a fu...

Edit: This is not the right way to use interfaces in Go. The purpose of this question is for me to understand how empty interfaces work in Go. If all types in Go implement interface{} (empty inter...

I'm not sure exactly how to phrase this question, and I've seen others ask similar but not really come up with answers (which tells me I'm asking the wrong question, but I'm not sure how else...

I was trying to understand the Interface embedding with the following code. I have the following: type MyprojectV1alpha1Interface interface { RESTClient() rest.Interface SamplesGetter } // Sa...

I have a variable, data, which is an interface. When I print its type, I get it as json.Number. How do I typecast to int/int64/float64? If I try data.(float64), it ends up with a panic error: pani...

I am newbie gopher and trying to get my head around the pointer receivers and interfaces. type Foo interface { foo() } type Bar struct {} func (b *Bar) foo() {} based on the above definitions....

EDIT++: How to not to repeat my code in Go? type Animal interface { Kingdom() string Phylum() string Family() string } type Wolf struct {} type Tiger struct {} func (w Wolf) Kingdom() string {...

I have the following code: package main import ( "log" ) type Data struct { Id int Name string } type DataError struct { Message string ErrorCode string } func main() { response := Data{...

I have a slice of interface{} and I need to check whether this slice contains pointer field values. Clarification example: var str *string s := "foo" str = &s var parms = []interface{}{"a",12...

I've recently started studying Go and faced next issue. I want to implement Comparable interface. I have next code: type Comparable interface { compare(Comparable) int } type T struct { va...

If I have the following interface and struct: package shape type Shape interface { Area() } type Rectangle struct { } func (this *Rectangle) Area() {} func New() Shape { return &Rectangl...

I'm new to Go, and one of the first things I want to do is to port my little marked-up-page-generation library to Go. The primary implementation is in Ruby, and it is very much "classical object or...