Function functionCallIsGood

functionCallIsGood(
    functionCall: ExpressionFunctionCall,
    isAggregateFunction: AggregateFunctionTest,
    parseMode: ReadonlySet<string>,
    astTransformer?: AstTransformer,
): void
Validates a function call: only custom aggregates can use DISTINCT, and custom aggregates are validated like built-in aggregates, see aggregateIsAllowed.
Parameters
- functionCall: ExpressionFunctionCall
  The function call to validate.
- isAggregateFunction: AggregateFunctionTest
  Whether a function call is a custom aggregate.
- parseMode: ReadonlySet<string>
  The parse mode at the function call.
- OptionalastTransformer: AstTransformer
  The transformer to traverse the arguments with.
Returns void
- Defined in rules-sparql-1-1/lib/validation/validators.ts:376