Sha256: 4cd7a0d1a9805e98cffb8422f51c39eaf7c071fb64ffe82d3c8eaefa9443e9c4
Contents?: true
Size: 690 Bytes
Versions: 7
Compression:
Stored size: 690 Bytes
Contents
class String
# Returns _n_ characters of the string. If _n_ is positive
# the characters are from the beginning of the string.
# If _n_ is negative from the end of the string.
#
# Alternatively a replacement string can be given, which will
# replace the _n_ characters.
#
# str = "this is text"
# str.nchar(4) #=> "this"
# str.nchar(4, 'that') #=> "that"
# str #=> "that is text"
#
# CREDIT: ?
def nchar(n, replacement=nil)
if replacement
s = self.dup
n > 0 ? (s[0...n] = replacement) : (s[n..-1] = replacement)
return s
else
n > 0 ? self[0...n] : self[n..-1]
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems