Comparison: Difference between revisions
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{{primitive|x<y<br>x>y}} |
{{primitive|x<y<br>x>y<br>x=y}} |
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The comparison primitives in K are <code><</code> and <code> |
The comparison primitives in K are <code><</code>, <code>></code> and <code>=</code> which stand for lesser than, greater than and equal to respectively. Comparisons are [[atomicity|fully atomic]]. |
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Characters are compared as bytes, except in oK which supports Unicode and compares characters by their code points. |
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character comparison is done via ASCII codes/UTF-8 code points, based on the implementation. |
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The comparison functions always give a boolean value, 1 or 0. |
The comparison functions always give a boolean value, 1 or 0. |
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"abc" > "!c " |
"abc" > "!c " |
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1 0 1 |
1 0 1 |
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2 56 1 = (2;4;"a") |
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1 0 0 |
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</pre> |
</pre> |
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[[Category:Verbs]] |
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[[Category:Operator verbs]] |
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[[Category:Primitives]] |
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Latest revision as of 06:14, 9 July 2022
Comparison
x<y
x>y
x=y
x>y
x=y
The comparison primitives in K are <, > and = which stand for lesser than, greater than and equal to respectively. Comparisons are fully atomic.
Characters are compared as bytes, except in oK which supports Unicode and compares characters by their code points.
The comparison functions always give a boolean value, 1 or 0.
1 2 3 < 3 1 5 1 0 1 "abc" > "!c " 1 0 1 2 56 1 = (2;4;"a") 1 0 0