feat: allow functionally generated span names #19
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This pull request will allow users to functionally decide how to create span names.
Take this example. This is the way sqlc forces you to annotate all your queries. It would be very this if the package could use this annotation.
Allowing users to write a function that extracts the span name from the query statement would enable the user to name the span
ListAuthors :many
as an example instead of, in this case,--
with the default implementation.