Sha256: d1f3db492776f4d647d984a5a706725e6e89ca63b564f2eb2aecb199ba1f2528
Contents?: true
Size: 658 Bytes
Versions: 10
Compression:
Stored size: 658 Bytes
Contents
class Array
# Alias for shift which removes an object off first slot of an array.
# This is the opposite of pop.
alias_method :pull, :shift
# Peek at the top of the stack (the end of the array).
#
# a = [1, 2, 3]
# a.peek #=> 3
# a #=> [1, 2, 3]
#
# Or provide an index to inspect the array from back to front.
def peek(i=0)
i = -(i + 1)
fetch(i)
end
# Put an object on the bottom of the stack (front of the array).
#
# a = [2, 3]
# a.poke(1)
# a #=> [1, 2, 3]
#
# Or supply an index and #poke works like #insert.
def poke(x, i=0)
insert(i,x)
end
end
Version data entries
10 entries across 9 versions & 2 rubygems