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How to Break Up Long `fmt.Sprintf` Lines for Better Code Readability?

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Nov 04, 2024 am 12:31 AM

How to Break Up Long `fmt.Sprintf` Lines for Better Code Readability?

Breaking Up Lengthy fmt.Sprintf Lines

When constructing lengthy strings using fmt.Sprintf, it's desirable to keep the code organized and readable, avoiding unsightly single-line snippets.

Solution

Utilize string concatenation to combine multiple line segments into a single string value:

<code class="go">fmt.Sprintf("a:%s, b:%s " +
    " ...... this goes really long",
    s1, s2)</code>

This method effectively constructs the long string at compile time, ensuring efficiency.

Alternative Approach

For strings containing newline characters, leverage raw string literals to split the lines:

<code class="go">fmt.Sprintf(`this text is on the first line
and this text is on the second line,
and third`)</code>

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