dictionary golang

// By default maps in Go behaves like a default dictionary in python
m := make(map[string]int)

m["Dio"] = 3
m["Jonathan"] = 1

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1

Eduardo Longa 80 points

                                    var id string
var ok bool
if x, found := res[&quot;strID&quot;]; found {
     if id, ok = x.(string); !ok {
        //do whatever you want to handle errors - this means this wasn't a string
     }
} else {
   //handle error - the map didn't contain this key
}

Thank you! 1

3 (1 Votes)

0

4

7

Cristina Galhardo Amado 60 points

                                    package main

import (
    &quot;fmt&quot;
)

func main() {
    dict := map[interface{}]interface{} {
        1: &quot;hello&quot;,
        &quot;hey&quot;: 2,
    }
    fmt.Println(dict) // map[1:hello hey:2]
}

Thank you! 7

4 (7 Votes)

0

4.5

2

Itamar 65 points

                                    m := make(map[string]float64)

m[&quot;pi&quot;] = 3.14             // Add a new key-value pair
m[&quot;pi&quot;] = 3.1416           // Update value
fmt.Println(m)             // Print map: &quot;map[pi:3.1416]&quot;

v := m[&quot;pi&quot;]               // Get value: v == 3.1416
v = m[&quot;pie&quot;]               // Not found: v == 0 (zero value)

_, found := m[&quot;pi&quot;]        // found == true
_, found = m[&quot;pie&quot;]        // found == false

if x, found := m[&quot;pi&quot;]; found {
    fmt.Println(x)
}                           // Prints &quot;3.1416&quot;

delete(m, &quot;pi&quot;)             // Delete a key-value pair
fmt.Println(m)              // Print map: &quot;map[]&quot;

Thank you! 2

4.5 (2 Votes)

0

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