Understanding Go's sync.Once: Fast-Path and Slow-Path Programming Pattern
sync.Once Overview
sync.Once is a Go standard library mechanism designed to ensure a function executes exactly once, regardless of concurrent access patterns. This pattern is particularly useful for one-time initialization tasks, such as setting up singleton clients or loading configuration data.
The Fast-Path and Slow-Path Pattern
Slow Path
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Posted on Sun, 10 May 2026 04:45:18 +0000 by Gary Kambic