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'''Right''', a.k.a. '''dex''', is a function that returns its rightmost argument. |
'''Right''', a.k.a. '''dex''' (from Latin [https://en.wiktionary.org/wiki/dexter#Latin ''dexter'']), is a function that returns its rightmost argument. |
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Revision as of 19:20, 8 July 2021
Right
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Right, a.k.a. dex (from Latin dexter), is a function that returns its rightmost argument.
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When it accepts only one argument, it could be referred to as identity or identity function.
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In some dialects the identity function could serve as a placeholder for missing indices in square-bracket indexing or for missing arguments in projections.