How to Find Map Length in Golang

Golang map is a built-in type that implements a hash table and stores the data in key-value pair. To find map length in golang, use the len() function and pass the map as an argument. It returns an integer value. To create a go map, use the below syntax: Where, KeyType – any type ValueType …

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How to Delete a Key from a Map in Golang

Use the Golang built-in delete() function to delete a key from a map in Golang. Golang map stores data in key-value pairs. If the key gets deleted, it will remove its value as well. If the map is nil, the delete() function will have no effect. delete() function takes two arguments, the map and the …

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How to Split a String to Get Last Element in Golang

Use the Golang Split() to split the string into substrings using a specified delimiter. It splits a string by delimiter and returns the slice of substrings. The Split() function is available in the Golang strings package. Using the length function over the slice, we can get the last element of the slice and remove it. …

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How to Get a Slice of Keys From a Map in Golang

Golang map stores an unordered collection of key-value pairs. The key in the map is unique and it maps keys to values. To get a slice of keys from a map, use the append function or MapKeys function. In this article, we will discuss how to get a slice of keys from a map in …

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How to Check If Key Exists in Map in Golang

Golang stores the data values in key-value pairs. To check if the key exists in the map in Go, access the key using the expression map[key]. It returns the boolean value true or false if the key exists or not. Use the if statement to check whether the condition of the key exists or not. …

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How to Round a Float Number to Decimal Places in Golang

To round a float number to decimal places in Golang, you can use the following steps: Golang Round function round the floating-point number to the nearest int value, it doesn’t round a float number to any precision. In this article, we will discuss how to round a float number to 2 decimals, or golang round …

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How to Calculate the Power of a Number using Golang

To calculate the Power or Exponent of a number x^y in Golang, follow these steps: In this article, we will discuss how to use the math Pow function to calculate the power or exponent of a number. How to Calculate the Power of a Number in Golang Pow() Use the math.Pow() function to calculate the …

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Golang Map – Syntax and Examples

Golang map stores the data values in key-value pairs. Go map is an unordered collection of key-value pairs where each key is unique and uses the key to access the element in a map. Golang provides a built-in map type that implements a hash table and its type is reference types like slice or points …

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How to Round Float to Integer in Golang

To round the float number to an integer in golang: How to Round Float to Integer Value in Golang Use the math.Round() function to round a floating-point number to an integer value in golang. Golang Round a float number to the nearest integer value. Let’s understand rounding of float64 number to int value with an …

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How to Find x%y Using Golang Modulus Operator

The Golang modulus operator (%) returns the remainder after integer division. The modulo operator returns the remainder left after the division of two integers. Golang math package has a Mod function that can be used to get the remainder after the division of two float numbers. In this article, we will discuss how to find …

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