jetbrains/go-modern-guidelines

JetBrains' official guidelines for code agents to write modern Go code, covering recent language features like max/min builtins, slices.Contains, cmp.Or, new(42), and errors.AsType from Go 1.26.

Enhances Claude Code with modern Go guidelines up to go 1.26 version.

Official JetBrains guidelines for code agents to write modern Go code, using idiomatic patterns like max/min builtins, slices.Contains, and cmp.Or instead of verbose alternatives.