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main.go
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main.go
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package main
import "fmt"
func isValid(s string) bool {
stack := make([]rune, 0, len(s))
for _, c := range s {
switch c {
case '{':
fmt.Println(string(c))
stack = append(stack, c)
case '(':
fmt.Println(string(c))
stack = append(stack, c)
case '[':
fmt.Println(string(c))
stack = append(stack, c)
case '}':
fmt.Println("}", stack, len(stack))
l := len(stack)
if l == 0 || stack[l-1] != '{' {
return false
}
stack = stack[:l-1]
fmt.Println("} done", stack, len(stack))
case ']':
fmt.Println("]", stack, len(stack))
l := len(stack)
if l == 0 || stack[l-1] != '[' {
return false
}
stack = stack[:l-1]
fmt.Println("] done", stack, len(stack))
case ')':
fmt.Println(stack, len(stack))
l := len(stack)
if l == 0 || stack[l-1] != '(' {
return false
}
stack = stack[:l-1]
fmt.Println(stack, len(stack))
default:
return false
}
}
return len(stack) == 0
}
func main() {
fmt.Println("vim-go")
fmt.Println(isValid("{[]}"))
}