Sha256: 0a60b43f9cd4ea4be06eef0990cf0ec17bf22e3e36a5e6a248db55027f356a0b
Contents?: true
Size: 515 Bytes
Versions: 23
Compression:
Stored size: 515 Bytes
Contents
class StackUnderflowError < RuntimeError
end
class StackOverflowError < RuntimeError
end
class Stack
def initialize
@items = []
end
def push object
raise StackOverflowError if @items.length == 10
@items.push object
end
def pop
raise StackUnderflowError if @items.empty?
@items.delete @items.last
end
def peek
raise StackUnderflowError if @items.empty?
@items.last
end
def empty?
@items.empty?
end
def full?
@items.length == 10
end
end
Version data entries
23 entries across 23 versions & 2 rubygems