Added the source file, which is what actually matters
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LICENSE
221
LICENSE
|
|
@ -1,5 +1,3 @@
|
|||
Eclipse Public License - v 1.0
|
||||
|
||||
THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
|
||||
LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM
|
||||
CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
|
||||
|
|
@ -8,19 +6,22 @@ CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
|
|||
|
||||
"Contribution" means:
|
||||
|
||||
a) in the case of the initial Contributor, the initial code and documentation
|
||||
distributed under this Agreement, and
|
||||
b) in the case of each subsequent Contributor:
|
||||
i) changes to the Program, and
|
||||
ii) additions to the Program;
|
||||
a) in the case of the initial Contributor, the initial code and
|
||||
documentation distributed under this Agreement, and
|
||||
|
||||
where such changes and/or additions to the Program originate from and are
|
||||
distributed by that particular Contributor. A Contribution 'originates'
|
||||
from a Contributor if it was added to the Program by such Contributor
|
||||
itself or anyone acting on such Contributor's behalf. Contributions do not
|
||||
include additions to the Program which: (i) are separate modules of
|
||||
software distributed in conjunction with the Program under their own
|
||||
license agreement, and (ii) are not derivative works of the Program.
|
||||
b) in the case of each subsequent Contributor:
|
||||
|
||||
i) changes to the Program, and
|
||||
|
||||
ii) additions to the Program;
|
||||
|
||||
where such changes and/or additions to the Program originate from and are
|
||||
distributed by that particular Contributor. A Contribution 'originates' from
|
||||
a Contributor if it was added to the Program by such Contributor itself or
|
||||
anyone acting on such Contributor's behalf. Contributions do not include
|
||||
additions to the Program which: (i) are separate modules of software
|
||||
distributed in conjunction with the Program under their own license
|
||||
agreement, and (ii) are not derivative works of the Program.
|
||||
|
||||
"Contributor" means any person or entity that distributes the Program.
|
||||
|
||||
|
|
@ -35,91 +36,100 @@ Agreement.
|
|||
including all Contributors.
|
||||
|
||||
2. GRANT OF RIGHTS
|
||||
a) Subject to the terms of this Agreement, each Contributor hereby grants
|
||||
Recipient a non-exclusive, worldwide, royalty-free copyright license to
|
||||
reproduce, prepare derivative works of, publicly display, publicly
|
||||
perform, distribute and sublicense the Contribution of such Contributor,
|
||||
if any, and such derivative works, in source code and object code form.
|
||||
b) Subject to the terms of this Agreement, each Contributor hereby grants
|
||||
Recipient a non-exclusive, worldwide, royalty-free patent license under
|
||||
Licensed Patents to make, use, sell, offer to sell, import and otherwise
|
||||
transfer the Contribution of such Contributor, if any, in source code and
|
||||
object code form. This patent license shall apply to the combination of
|
||||
the Contribution and the Program if, at the time the Contribution is
|
||||
added by the Contributor, such addition of the Contribution causes such
|
||||
combination to be covered by the Licensed Patents. The patent license
|
||||
shall not apply to any other combinations which include the Contribution.
|
||||
No hardware per se is licensed hereunder.
|
||||
c) Recipient understands that although each Contributor grants the licenses
|
||||
to its Contributions set forth herein, no assurances are provided by any
|
||||
Contributor that the Program does not infringe the patent or other
|
||||
intellectual property rights of any other entity. Each Contributor
|
||||
disclaims any liability to Recipient for claims brought by any other
|
||||
entity based on infringement of intellectual property rights or
|
||||
otherwise. As a condition to exercising the rights and licenses granted
|
||||
hereunder, each Recipient hereby assumes sole responsibility to secure
|
||||
any other intellectual property rights needed, if any. For example, if a
|
||||
third party patent license is required to allow Recipient to distribute
|
||||
the Program, it is Recipient's responsibility to acquire that license
|
||||
before distributing the Program.
|
||||
d) Each Contributor represents that to its knowledge it has sufficient
|
||||
copyright rights in its Contribution, if any, to grant the copyright
|
||||
license set forth in this Agreement.
|
||||
|
||||
a) Subject to the terms of this Agreement, each Contributor hereby grants
|
||||
Recipient a non-exclusive, worldwide, royalty-free copyright license to
|
||||
reproduce, prepare derivative works of, publicly display, publicly perform,
|
||||
distribute and sublicense the Contribution of such Contributor, if any, and
|
||||
such derivative works, in source code and object code form.
|
||||
|
||||
b) Subject to the terms of this Agreement, each Contributor hereby grants
|
||||
Recipient a non-exclusive, worldwide, royalty-free patent license under
|
||||
Licensed Patents to make, use, sell, offer to sell, import and otherwise
|
||||
transfer the Contribution of such Contributor, if any, in source code and
|
||||
object code form. This patent license shall apply to the combination of the
|
||||
Contribution and the Program if, at the time the Contribution is added by the
|
||||
Contributor, such addition of the Contribution causes such combination to be
|
||||
covered by the Licensed Patents. The patent license shall not apply to any
|
||||
other combinations which include the Contribution. No hardware per se is
|
||||
licensed hereunder.
|
||||
|
||||
c) Recipient understands that although each Contributor grants the licenses
|
||||
to its Contributions set forth herein, no assurances are provided by any
|
||||
Contributor that the Program does not infringe the patent or other
|
||||
intellectual property rights of any other entity. Each Contributor disclaims
|
||||
any liability to Recipient for claims brought by any other entity based on
|
||||
infringement of intellectual property rights or otherwise. As a condition to
|
||||
exercising the rights and licenses granted hereunder, each Recipient hereby
|
||||
assumes sole responsibility to secure any other intellectual property rights
|
||||
needed, if any. For example, if a third party patent license is required to
|
||||
allow Recipient to distribute the Program, it is Recipient's responsibility
|
||||
to acquire that license before distributing the Program.
|
||||
|
||||
d) Each Contributor represents that to its knowledge it has sufficient
|
||||
copyright rights in its Contribution, if any, to grant the copyright license
|
||||
set forth in this Agreement.
|
||||
|
||||
3. REQUIREMENTS
|
||||
|
||||
A Contributor may choose to distribute the Program in object code form under
|
||||
its own license agreement, provided that:
|
||||
|
||||
a) it complies with the terms and conditions of this Agreement; and
|
||||
b) its license agreement:
|
||||
i) effectively disclaims on behalf of all Contributors all warranties
|
||||
and conditions, express and implied, including warranties or
|
||||
conditions of title and non-infringement, and implied warranties or
|
||||
conditions of merchantability and fitness for a particular purpose;
|
||||
ii) effectively excludes on behalf of all Contributors all liability for
|
||||
damages, including direct, indirect, special, incidental and
|
||||
consequential damages, such as lost profits;
|
||||
iii) states that any provisions which differ from this Agreement are
|
||||
offered by that Contributor alone and not by any other party; and
|
||||
iv) states that source code for the Program is available from such
|
||||
Contributor, and informs licensees how to obtain it in a reasonable
|
||||
manner on or through a medium customarily used for software exchange.
|
||||
a) it complies with the terms and conditions of this Agreement; and
|
||||
|
||||
b) its license agreement:
|
||||
|
||||
i) effectively disclaims on behalf of all Contributors all warranties and
|
||||
conditions, express and implied, including warranties or conditions of title
|
||||
and non-infringement, and implied warranties or conditions of merchantability
|
||||
and fitness for a particular purpose;
|
||||
|
||||
ii) effectively excludes on behalf of all Contributors all liability for
|
||||
damages, including direct, indirect, special, incidental and consequential
|
||||
damages, such as lost profits;
|
||||
|
||||
iii) states that any provisions which differ from this Agreement are offered
|
||||
by that Contributor alone and not by any other party; and
|
||||
|
||||
iv) states that source code for the Program is available from such
|
||||
Contributor, and informs licensees how to obtain it in a reasonable manner on
|
||||
or through a medium customarily used for software exchange.
|
||||
|
||||
When the Program is made available in source code form:
|
||||
|
||||
a) it must be made available under this Agreement; and
|
||||
b) a copy of this Agreement must be included with each copy of the Program.
|
||||
Contributors may not remove or alter any copyright notices contained
|
||||
within the Program.
|
||||
a) it must be made available under this Agreement; and
|
||||
|
||||
b) a copy of this Agreement must be included with each copy of the Program.
|
||||
|
||||
Contributors may not remove or alter any copyright notices contained within
|
||||
the Program.
|
||||
|
||||
Each Contributor must identify itself as the originator of its Contribution,
|
||||
if
|
||||
any, in a manner that reasonably allows subsequent Recipients to identify the
|
||||
originator of the Contribution.
|
||||
if any, in a manner that reasonably allows subsequent Recipients to identify
|
||||
the originator of the Contribution.
|
||||
|
||||
4. COMMERCIAL DISTRIBUTION
|
||||
|
||||
Commercial distributors of software may accept certain responsibilities with
|
||||
respect to end users, business partners and the like. While this license is
|
||||
intended to facilitate the commercial use of the Program, the Contributor who
|
||||
includes the Program in a commercial product offering should do so in a manner
|
||||
which does not create potential liability for other Contributors. Therefore,
|
||||
if a Contributor includes the Program in a commercial product offering, such
|
||||
Contributor ("Commercial Contributor") hereby agrees to defend and indemnify
|
||||
every other Contributor ("Indemnified Contributor") against any losses,
|
||||
damages and costs (collectively "Losses") arising from claims, lawsuits and
|
||||
other legal actions brought by a third party against the Indemnified
|
||||
Contributor to the extent caused by the acts or omissions of such Commercial
|
||||
Contributor in connection with its distribution of the Program in a commercial
|
||||
product offering. The obligations in this section do not apply to any claims
|
||||
or Losses relating to any actual or alleged intellectual property
|
||||
infringement. In order to qualify, an Indemnified Contributor must:
|
||||
includes the Program in a commercial product offering should do so in a
|
||||
manner which does not create potential liability for other Contributors.
|
||||
Therefore, if a Contributor includes the Program in a commercial product
|
||||
offering, such Contributor ("Commercial Contributor") hereby agrees to defend
|
||||
and indemnify every other Contributor ("Indemnified Contributor") against any
|
||||
losses, damages and costs (collectively "Losses") arising from claims,
|
||||
lawsuits and other legal actions brought by a third party against the
|
||||
Indemnified Contributor to the extent caused by the acts or omissions of such
|
||||
Commercial Contributor in connection with its distribution of the Program in
|
||||
a commercial product offering. The obligations in this section do not apply
|
||||
to any claims or Losses relating to any actual or alleged intellectual
|
||||
property infringement. In order to qualify, an Indemnified Contributor must:
|
||||
a) promptly notify the Commercial Contributor in writing of such claim, and
|
||||
b) allow the Commercial Contributor to control, and cooperate with the
|
||||
b) allow the Commercial Contributor tocontrol, and cooperate with the
|
||||
Commercial Contributor in, the defense and any related settlement
|
||||
negotiations. The Indemnified Contributor may participate in any such claim at
|
||||
its own expense.
|
||||
negotiations. The Indemnified Contributor may participate in any such claim
|
||||
at its own expense.
|
||||
|
||||
For example, a Contributor might include the Program in a commercial product
|
||||
offering, Product X. That Contributor is then a Commercial Contributor. If
|
||||
|
|
@ -133,16 +143,16 @@ Commercial Contributor must pay those damages.
|
|||
|
||||
5. NO WARRANTY
|
||||
|
||||
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED ON AN
|
||||
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR
|
||||
IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE,
|
||||
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each
|
||||
Recipient is solely responsible for determining the appropriateness of using
|
||||
and distributing the Program and assumes all risks associated with its
|
||||
exercise of rights under this Agreement , including but not limited to the
|
||||
risks and costs of program errors, compliance with applicable laws, damage to
|
||||
or loss of data, programs or equipment, and unavailability or interruption of
|
||||
operations.
|
||||
EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED ON
|
||||
AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
|
||||
EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR
|
||||
CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A
|
||||
PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the
|
||||
appropriateness of using and distributing the Program and assumes all risks
|
||||
associated with its exercise of rights under this Agreement , including but
|
||||
not limited to the risks and costs of program errors, compliance with
|
||||
applicable laws, damage to or loss of data, programs or equipment, and
|
||||
unavailability or interruption of operations.
|
||||
|
||||
6. DISCLAIMER OF LIABILITY
|
||||
|
||||
|
|
@ -170,13 +180,13 @@ infringes such Recipient's patent(s), then such Recipient's rights granted
|
|||
under Section 2(b) shall terminate as of the date such litigation is filed.
|
||||
|
||||
All Recipient's rights under this Agreement shall terminate if it fails to
|
||||
comply with any of the material terms or conditions of this Agreement and does
|
||||
not cure such failure in a reasonable period of time after becoming aware of
|
||||
such noncompliance. If all Recipient's rights under this Agreement terminate,
|
||||
Recipient agrees to cease use and distribution of the Program as soon as
|
||||
reasonably practicable. However, Recipient's obligations under this Agreement
|
||||
and any licenses granted by Recipient relating to the Program shall continue
|
||||
and survive.
|
||||
comply with any of the material terms or conditions of this Agreement and
|
||||
does not cure such failure in a reasonable period of time after becoming
|
||||
aware of such noncompliance. If all Recipient's rights under this Agreement
|
||||
terminate, Recipient agrees to cease use and distribution of the Program as
|
||||
soon as reasonably practicable. However, Recipient's obligations under this
|
||||
Agreement and any licenses granted by Recipient relating to the Program shall
|
||||
continue and survive.
|
||||
|
||||
Everyone is permitted to copy and distribute copies of this Agreement, but in
|
||||
order to avoid inconsistency the Agreement is copyrighted and may only be
|
||||
|
|
@ -188,16 +198,17 @@ Eclipse Foundation may assign the responsibility to serve as the Agreement
|
|||
Steward to a suitable separate entity. Each new version of the Agreement will
|
||||
be given a distinguishing version number. The Program (including
|
||||
Contributions) may always be distributed subject to the version of the
|
||||
Agreement under which it was received. In addition, after a new version of the
|
||||
Agreement is published, Contributor may elect to distribute the Program
|
||||
Agreement under which it was received. In addition, after a new version of
|
||||
the Agreement is published, Contributor may elect to distribute the Program
|
||||
(including its Contributions) under the new version. Except as expressly
|
||||
stated in Sections 2(a) and 2(b) above, Recipient receives no rights or
|
||||
licenses to the intellectual property of any Contributor under this Agreement,
|
||||
whether expressly, by implication, estoppel or otherwise. All rights in the
|
||||
Program not expressly granted under this Agreement are reserved.
|
||||
licenses to the intellectual property of any Contributor under this
|
||||
Agreement, whether expressly, by implication, estoppel or otherwise. All
|
||||
rights in the Program not expressly granted under this Agreement are
|
||||
reserved.
|
||||
|
||||
This Agreement is governed by the laws of the State of New York and the
|
||||
This Agreement is governed by the laws of the State of Washington and the
|
||||
intellectual property laws of the United States of America. No party to this
|
||||
Agreement will bring a legal action under this Agreement more than one year
|
||||
after the cause of action arose. Each party waives its rights to a jury trial in
|
||||
any resulting litigation.
|
||||
after the cause of action arose. Each party waives its rights to a jury trial
|
||||
in any resulting litigation.
|
||||
|
|
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|||
18
README.md
18
README.md
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@ -1,4 +1,16 @@
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vending
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=======
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# vending
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Vending machine code kata, in Clojure. NOT an example of how to do it!
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A Clojure implementation of the Vending Machine kata, see http://code.joejag.com/coding-dojo-vending-machine/
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NOTE! I am LEARNING. This is not an example of how to do it.
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## Usage
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FIXME
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## License
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Copyright © 2014 FIXME
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||||
Distributed under the Eclipse Public License either version 1.0 or (at
|
||||
your option) any later version.
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3
doc/intro.md
Normal file
3
doc/intro.md
Normal file
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@ -0,0 +1,3 @@
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# Introduction to vending
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TODO: write [great documentation](http://jacobian.org/writing/great-documentation/what-to-write/)
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6
project.clj
Normal file
6
project.clj
Normal file
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@ -0,0 +1,6 @@
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(defproject vending "0.1.0-SNAPSHOT"
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:description "FIXME: write description"
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:url "http://example.com/FIXME"
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:license {:name "Eclipse Public License"
|
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:url "http://www.eclipse.org/legal/epl-v10.html"}
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:dependencies [[org.clojure/clojure "1.5.1"]])
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119
src/vending/core.clj
Normal file
119
src/vending/core.clj
Normal file
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@ -0,0 +1,119 @@
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(ns vending.core)
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(defn foo
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"I don't do a whole lot."
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[x]
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(println x "Hello, World!"))
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(defn make-default-machine [] { :stock {:apples 5 :oranges 5 :lemons 5}
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:coins {:dollars 1 :quarters 4 :dimes 4 :nickels 4}
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:tendered nil
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:last-message ""
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:change nil
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:output nil} )
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(def coin-values {:dollar 1 :quarter 0.25 :dime 0.10 :nickel 0.05})
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(def item-prices {:apples 0.65 :oranges 1 :lemons 1.5})
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(defn coin-value [coin]
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(coin-values coin))
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(defn coins-value [coins]
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(apply + (map coin-value coins)))
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||||
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||||
(defn coin-return [machine]
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(assoc (dissoc machine :tendered) :change (:tendered machine)))
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||||
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||||
(defn add-coin [machine coin]
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||||
(assoc (dissoc machine :tendered) :tendered (cons coin (:tendered machine))))
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||||
(defn add-coins [machine coins]
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(cond (empty? coins) machine
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true (add-coins (add-coin machine (first coins)) (rest coins))))
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||||
(defn magic-inc [maybenum]
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(cond (nil? maybenum) 1
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true (inc maybenum)))
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||||
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||||
(defn sum-coin [coin sums]
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(cond
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(= coin :dollar) (update-in sums [:dollar] magic-inc)
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(= coin :quarter) (update-in sums [:quarter] magic-inc)
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||||
(= coin :dime) (update-in sums [:dime] magic-inc)
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||||
(= coin :nickel) (update-in sums [:nickel] magic-inc)))
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||||
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||||
(defn sum-coins
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||||
"Returns a map {:dollars :quarters :dimes :nickels}"
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||||
([coins]
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(sum-coins coins {}))
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||||
([coins sums]
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||||
(cond (empty? coins) sums
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true (sum-coins (rest coins) (sum-coin (first coins) sums)))))
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||||
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||||
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||||
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||||
(defn subtract-denomination [list position]
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(cond (= (count list) position)(cons (- (first list) 1) (rest list))
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true (cons (first list) (subtract-denomination (rest list) position))))
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(defn subtract-nickle [list]
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(subtract-denomination list 1))
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(defn subtract-dime [list]
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(subtract-denomination list 2))
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(defn subtract-quarter [list]
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(subtract-denomination list 3))
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||||
(defn subtract-dollar [list]
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(subtract-denomination list 4))
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||||
(defn in-make-change [amount dollars quarters dimes nickels]
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||||
"Return a tuple (dollars quarters nickels dimes) which indicates the number remaining
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||||
after making change, or nil if not possible"
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||||
(cond
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||||
(= amount 0) (list dollars quarters dimes nickels)
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||||
(and (>= amount (:dollar coin-values)) (> dollars 0))
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||||
(in-make-change (- amount (:dollar coin-values)) (- dollars 1) quarters dimes nickels)
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||||
(and (>= amount (:quarter coin-values)) (> quarters 0))
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||||
(in-make-change (- amount (:quarter coin-values)) dollars (- quarters 1) dimes nickels)
|
||||
(and (>= amount (:dime coin-values)) (> dimes 0))
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||||
(in-make-change (- amount (:dime coin-values)) dollars quarters (- dimes 1) nickels)
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||||
(and (>= amount (:nickel coin-values)) (> nickels 0))
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||||
(in-make-change (- amount (:nickel coin-values)) dollars quarters dimes (- nickels 1))))
|
||||
|
||||
(defn make-change [amount dollars quarters dimes nickels]
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||||
(map #(- %1 %2) (list dollars quarters dimes nickels)
|
||||
(in-make-change amount dollars quarters dimes nickels)
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||||
))
|
||||
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||||
(defn make-change-machine [machine change]
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||||
machine)
|
||||
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||||
(defn remove-from-stock [machine item]
|
||||
machine)
|
||||
|
||||
(defn deliver-item [machine item change]
|
||||
(make-change-machine
|
||||
(remove-from-stock
|
||||
(assoc (dissoc machine :output) :output (cons item (:output machine)))
|
||||
item)
|
||||
change))
|
||||
|
||||
|
||||
(defn get-item [machine item]
|
||||
(let [item-price (item item-prices)
|
||||
tend (sum-coins (:tendered machine))
|
||||
change (make-change item-price (:dollar tend) (:quarter tend) (:dime tend) (:nickel tend))]
|
||||
(cond (<= 0 (item (:stock machine))) (coin-return machine)
|
||||
(<= (coins-value (:tendered machine)) item-price) (coin-return machine)
|
||||
(empty? change) (coin-return)
|
||||
true (deliver-item machine item change))))
|
||||
|
||||
(defn get-apple [machine]
|
||||
(get-item machine :apples))
|
||||
|
||||
|
||||
Loading…
Reference in a new issue