promql/functions.go
func funcCeil(vals []Value, args Expressions, enh *EvalNodeHelper) Vector {
	return simpleFunc(vals, enh, math.Ceil)
}
func funcCeil(vals []Value, args Expressions, enh *EvalNodeHelper) Vector {
	return simpleFunc(vals, enh, math.Ceil)
}
func funcCeil ( vals [ ] Value , args Expressions , enh * EvalNodeHelper ) Vector { return simpleFunc ( vals , enh , math . Ceil ) }
// === ceil(Vector ValueTypeVector) Vector ===
=== ceil ( Vector ValueTypeVector ) Vector ===