Description
Return braces around JSON.stringify(element) when singleton is true, otherwise empty braces.
A set contains distinct values, so duplicate input items do not contribute additional members. Ordered output is a serialization convention; membership, equality, and the chosen universe determine the underlying set result.
Return braces around JSON.stringify(element) when singleton is true, otherwise empty braces.
When to use this tool
Use Singleton Empty Set Brace Formatter when you need a deterministic operation on explicitly supplied sets or a finite membership representation.
How to use the tool and how it works
- Enter singleton, element. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read notation. Use the output convention below.
Return braces around JSON.stringify(element) when singleton is true, otherwise empty braces.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| singleton | Singleton | Required. Boolean. |
| element | Element | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| notation | Notation | Required. Text; maximum UTF-16 length 8192. |
{
"input": {
"singleton": true,
"element": "alpha"
},
"output": {
"notation": "{\"alpha\"}"
}
}Limitations and assumptions
- The result is mathematical-style notation, not a JSON object or a parsed set; the element is ignored for an empty set.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
Alternative or Complementary methods
Specify the universe and equality convention before combining this result with other set operations.
References
Similar or alternative tools
- Set Single Element Removal Flag
Deduplicate elements in first-occurrence order, report whether element is present, and filter it out for result.
- Set Single Element Insertion Flag
Deduplicate elements in first-occurrence order and append element only when absent.