Golang loops: Difference between revisions
From wikinotes
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= For Loops = | = For Loops = | ||
<blockquote> | |||
== initializer/condition == | |||
<blockquote> | <blockquote> | ||
initializer/condition based loops | initializer/condition based loops | ||
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} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
</blockquote><!-- initializer/condition --> | |||
== over condition == | |||
<blockquote> | |||
<syntaxhighlight lang="go"> | |||
i := 0 | |||
for i < 5 { | |||
i++ | |||
} | |||
</syntaxhighlight> | |||
</blockquote><!-- condition --> | |||
== over arrays/maps == | |||
<blockquote> | |||
iterating over arrays/maps | iterating over arrays/maps | ||
<syntaxhighlight lang="go"> | <syntaxhighlight lang="go"> | ||
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} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
</blockquote><!-- over arrays/maps --> | |||
</blockquote><!-- For Loops --> | </blockquote><!-- For Loops --> |
Revision as of 00:36, 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
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 { // ... }over condition
i := 0 for i < 5 { i++ }over arrays/maps
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) }