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function pointers

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Tencent Cloud Developer
Tencent Cloud Developer
Dec 12, 2023 · Fundamentals

Understanding Go Function Pointers and Their Performance Impact

The article explains how Go’s function values introduce an extra indirection and trigger escape analysis, making indirect calls slower than C pointers, and offers optimization tactics such as avoiding function‑pointer calls, using switch‑based dispatch, or applying the unsafe noescape trick when safe.

Escape AnalysisGoPerformance
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Understanding Go Function Pointers and Their Performance Impact