gotools/internal/refactor/inline/escape.go

// escape implements a simple "address-taken" escape analysis. It
// calls f for each local variable that appears on the left side of an
// assignment (escapes=false) or has its address taken (escapes=true).
// The initialization of a variable by its declaration does not count
// as an assignment.
func escape(info *types.Info, root ast.Node, f func(v *types.Var, escapes bool)) { … }