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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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import core
intrude import core::text::ropes

var lft = "Strings are either R"
var rgt = "opes or FlatStrings!"

var rp = new Concat(lft, rgt)

print rp.length
print rp.left.length
print rp.right.length

print rp[8]
print rp.substring(12, 10)