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# TITLE:
#
# String Interpolation
#
# SUMMARY:
#
# Provides a method of extenally using
# Ruby string interpolation mechinism.
#
# This library also providea a couple
# aliases for % as sprintf and format.
#
# CREDIT:
#
# - Thomas Sawyer
#
# TODO:
#
# - The String::format and String::sprintf methods
# really not very useful and will likely be
# deprecated eventually, since they are already
# included in Kernel.
#
class String
# Interpolate.
def self.interpolate(&str)
eval "%{#{str.call}}", str.binding
end
#
def self.format(*args)
Kernel.format(*args)
end
def self.sprintf(*args)
Kernel.format(*args)
end
#
alias_method :format, :%
alias_method :sprintf, :%
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TestStringInterpolate < Test::Unit::TestCase
def test_interpolate
a = 1
assert_equal('this is 1', String.interpolate{ 'this is #{a}' })
end
end
=end
Version data entries
10 entries across 10 versions & 1 rubygems