Function whenSQL

whenSQL<T>(t: Maybe<T>, fn: Fn<T, string>): string
When something is defined, do something with it to return a SQL string.
Type Parameters
- T
Parameters
- t: Maybe<T>
  The thing to check
- fn: Fn<T, string>
  What to do if the thing is defined
Returns string
- returns empty string if "thing" is not defined or whatever is returned from doWork
- Defined in src/sql.ts:204