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In certain computer programming languages, the Elvis operator, often written ?:, is a binary operator that returns the first operand if its value is logically true (according to a language-dependent convention, in other words, a truthy value) or returns its second operand if the first operand is not true. That is, it is a short-circuit OR, which returns…
Languages supporting the Elvis operator, Alternative syntaxes & Overview
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operator elvis returns operand ternary null truthy value languages short-circuiting first conditional boolean otherwise second coalescing written object logical programming
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Elvis operator | is a | null coalescing operator | 0.90 | text |
| Elvis operator | related to Alternative syntaxes | In | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Common Lisp | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Clojure | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Lua | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Object Pascal | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Perl | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Python | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Ruby | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | JavaScript | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Elvis | 0.60 | section |
| Elvis operator | related to Alternative syntaxes | Boolean | 0.60 | section |
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