Initial commit.

.gitignore

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+compiled/
+.DS_Store

README.md

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+Experimenting with using Travis for a Racket project.
+
+Travis doesn't have built-in support for Racket. However it seems this
+should be do-able, anyway, by using `before_install` to install
+Racket?

main.rkt

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+#lang racket
+
+(define (plus1 x)
+  (add1 x))
+
+(module+ test
+  (require rackunit)
+  (check-equal? (plus1 1) 2))

travis.yml

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+before_install:
+ - sudo apt-get install -qq racket
+
+script:
+ - raco make
+ - raco test -x .