Function tokenQuery

tokenQuery<T>(
expr: string,
predicate: (tokens: readonly string[]) => Maybe<T>,
): null | T
Executes a logical expression mapping tokens with a predicate, using the result as operands.

Logical operators currently supported: | for OR and & for AND. Operands between operators will be tokenized via tokenizeWords.
Type Parameters
- T
Parameters
- expr: string
  The expression of tokens and operators.
- predicate: (tokens: readonly string[]) => Maybe<T>
  Each token set operand will be mapped using this function.
Returns null | T
- Defined in client/userAgent/tokenizeUserAgent.ts:235