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HomeSoftware EngineeringEasy methods to examine if a map accommodates a key in Go

Easy methods to examine if a map accommodates a key in Go


In case you have a map in Go and need to solely carry out an motion if it accommodates a sure key, then you are able to do so simply:

if val, okay := myMap["someValue"]; okay {
    // your code right here
}

The way in which this works is the conditional if assertion checks to see if a price of someValue exists within the myMap map variable.

If it exists, it assigns the important thing’s worth to a val variable, and assigns the okay variable to a truthy boolean.

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