day141

Documentation

Index

• func ErrEmptyStack() error
• func ErrInvalidStackID() error
• type ThreeStacks
  • func (ts *ThreeStacks) Pop(stackID int) (interface{}, error)
  • func (ts *ThreeStacks) Push(val interface{}, stackID int) error

Functions

func ErrEmptyStack

func ErrEmptyStack() error

ErrEmptyStack is returned if the stack is empty.

func ErrInvalidStackID

func ErrInvalidStackID() error

ErrInvalidStackID is returned if the stack id is not either 0, 1, 2.

Types

type ThreeStacks

type ThreeStacks struct {
	// contains filtered or unexported fields
}

ThreeStacks represents 3-stacks using only a single underlying list to store values.

func (*ThreeStacks) Pop

func (ts *ThreeStacks) Pop(stackID int) (interface{}, error)

Pop removes and returns the most recent addition to the given stack.

func (*ThreeStacks) Push

func (ts *ThreeStacks) Push(val interface{}, stackID int) error

Push adds the Value to the top of the given stack.