Function WalkFunc

query/expr/ast.go:569–571

WalkFunc traverses an expression hierarchy in depth-first order.

(e Expr, fn func(Expr))

// WalkFunc traverses an expression hierarchy in depth-first order.
func WalkFunc(e Expr, fn func(Expr)) {
	Walk(walkFuncVisitor(fn), e)
}

type walkFuncVisitor func(Expr)