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Fix bug due to redefining Stack

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This commit is contained in:
Dustin Pianalto 2020-08-25 21:06:33 -08:00
parent 1ddc4d4c36
commit c3d2073b2b
1 changed files with 7 additions and 7 deletions
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14
djpianalto.com/goff/utils/rpnParser.go
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@ -7,17 +7,17 @@ import (
"strconv" "strconv"
) )
type Stack []float64 type FStack []float64
func (s *Stack) IsEmpty() bool { func (s *FStack) IsEmpty() bool {
return len(*s) == 0 return len(*s) == 0
} }
func (s *Stack) Push(op float64) { func (s *FStack) Push(op float64) {
*s = append(*s, op) *s = append(*s, op)
} }
func (s *Stack) Pop() (float64, bool) { func (s *FStack) Pop() (float64, bool) {
if s.IsEmpty() { if s.IsEmpty() {
return 0, false return 0, false
} }
@ -27,7 +27,7 @@ func (s *Stack) Pop() (float64, bool) {
return element, true return element, true
} }
func (s *Stack) PopTwo() (float64, float64, bool) { func (s *FStack) PopTwo() (float64, float64, bool) {
if s.IsEmpty() || len(*s) < 2 { if s.IsEmpty() || len(*s) < 2 {
return 0, 0, false return 0, 0, false
} }
@ -39,7 +39,7 @@ func (s *Stack) PopTwo() (float64, float64, bool) {
} }
func (s *Stack) Top() float64 { func (s *FStack) Top() float64 {
if s.IsEmpty() { if s.IsEmpty() {
return 0 return 0
} }
@ -47,7 +47,7 @@ func (s *Stack) Top() float64 {
} }
func ParseRPN(args []string) (float64, error) { func ParseRPN(args []string) (float64, error) {
s := Stack{} s := FStack{}
for _, token := range args { for _, token := range args {
switch token { switch token {
case "+": case "+":