Golang loops: Difference between revisions
From wikinotes
Line 27: | Line 27: | ||
for i := 0; i < 10; i++ { | for i := 0; i < 10; i++ { | ||
sum += i | sum += i | ||
} | |||
</syntaxhighlight> | |||
initializer/condition based loops with multiple variables | |||
<syntaxhighlight lang="go"> | |||
for i, j :- 0, 0; i < 10; i, j = i+1, j+1 { | |||
// ... | |||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> |
Revision as of 00:33, 6 June 2022
Breaking, Continuing, etc.
break // exit loop without finishing continue // skip to next iterationfor i := 0; i < 10; i++ { // skip to next iteration if i % 2 { continue } // exit loop immediately if i == 5 { break } }
For Loops
initializer/condition based loops
for i := 0; i < 10; i++ { sum += i }initializer/condition based loops with multiple variables
for i, j :- 0, 0; i < 10; i, j = i+1, j+1 { // ... }iterating over arrays/maps
// iterate key/values in map for key, value := range oldMap { fmt.Println(key + "=" + value) } // iterate only keys in map (simply don't assign val) for key := range oldMap { fmt.Println(key) } // iterate only values in map for _, value := range oldMap { fmt.Println(value) }