8e173937c3
This new core module allows us to shadow the builtin Python operators so
they may be passed to sequence functions that expect functions:
=> (map / [1 2 3 4 5])
[1.0, 0.5, 0.3333333333333333, 0.25]
42 lines
938 B
Hy
42 lines
938 B
Hy
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(defn test-shadow-addition []
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"NATIVE: test shadow addition"
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(let [[x +]]
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(assert (= (x) 0))
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(assert (= (x 1 2 3 4) 10))
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(assert (= (x 1 2 3 4 5) 15))))
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(defn test-shadow-subtraction []
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"NATIVE: test shadow subtraction"
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(let [[x -]]
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(assert (try
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(x)
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(catch [TypeError] True)
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(else (throw AssertionError))))
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(assert (= (x 1) -1))
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(assert (= (x 2 1) 1))
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(assert (= (x 2 1 1) 0))))
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(defn test-shadow-multiplication []
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"NATIVE: test shadow multiplication"
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(let [[x *]]
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(assert (= (x) 1))
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(assert (= (x 3) 3))
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(assert (= (x 3 3) 9))))
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(defn test-shadow-division []
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"NATIVE: test shadow division"
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(let [[x /]]
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(assert (try
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(x)
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(catch [TypeError] True)
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(else (throw AssertionError))))
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(assert (= (x 1) 1))
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(assert (= (x 8 2) 4))
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(assert (= (x 8 2 2) 2))
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(assert (= (x 8 2 2 2) 1))))
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