Sha256: 13b3931cb5f9d07ae119353d2adb950352ad2c31b666a61961bdd30ea87dcac6
Contents?: true
Size: 516 Bytes
Versions: 144
Compression:
Stored size: 516 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
144 entries across 144 versions & 22 rubygems