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Questions - go-map

A design question about Go's map and slice troubled me a lot

Why does Go's slice has 'replication trap', but map does not? Suppose we have a function that takes slice as an input parameter, and if slice is expanded in the function, only the copied slice structu...
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qizong007

go

slice

pass-by-reference

pass-by-value

go-map

Votes: 0

Answers: 2

Latest Answer

This was also asked on the golang-nuts mailing list, with this as part of the reply from Brian Candler: I think you have understood the issue well. From the source code at https://golang.org/src/runt...
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thepudds

How to ensure that a Struct that is made up of channels and map gets passed by reference?

I have the following struct that contains channels and a map for storage of data. I want to be able to pass that struct into functions in order to make use of those channels so that once they are trig...
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AC007

dictionary

go

struct

pass-by-reference

go-map

Votes: 0

Answers: 1

Latest Answer

Slices, maps and channels are pointer-like values in Go: copying a struct containing a channel copies a reference to the channel, not the channel itself: a := CustomStrct{ RetrieveChannel: make(ch...
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jch

Unable to parse Golang map and nested json

I have below snippet func fakeGetInclusterConfig() (*corev1.ConfigMap, error) { configMap := &corev1.ConfigMap{ Data: map[string]map[string]string{"cluster-config.js...
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ambikanair

go

go-map

Votes: 0

Answers: 1

Latest Answer

I could fix it this way clusterDetails := `{"cluster_id":"xxx","cluster_name":"yyy","cluster_type":"kkk","cluster_pay_tier":"...
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ambikanair

how to convert map[string]interface{} data to struct

I do not know how to ask, so i will ask with an example. I have some data like that { .. "velocityStatEntries": { "8753": { "estimated": {"value...
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yabadabaduhast

json

go

struct

types

go-map

Votes: 0

Answers: 1

Latest Answer

If the data originates from JSON then you should skip the map[string]interface{} and instead use a custom unmarshaler implemented by your desired struct that does what you want. Perhaps by utilizing a...
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mkopriva

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