Sha256: 394d7f1e9462419b8443fb2f207c2aec55abf5d3cf483621015daba877fb74d2
Contents?: true
Size: 646 Bytes
Versions: 8
Compression:
Stored size: 646 Bytes
Contents
class Array
# Returns last _n_ elements.
#
# %w{W o r l d}.from(3) #=> %w{l d}
#
def from(i)
return self if i >= size
self[i, size - i]
end unless method_defined?(:from)
# Fetch values from a start index thru an end index.
#
# [1,2,3,4,5].thru(0,2) #=> [1,2,3]
# [1,2,3,4,5].thru(2,4) #=> [3,4,5]
#
# [1,2,3,4,5].thru(2) #=> [1,2,3]
# [1,2,3,4,5].thru(4) #=> [1,2,3,4,5]
#
def thru(from, to=nil)
from, to = 0, from unless to
to = size - 1 if to >= size
a = []
i = from
while i <= to
a << self[i]
i += 1
end
a
end unless method_defined?(:thru)
end
Version data entries
8 entries across 7 versions & 1 rubygems