What's the use of var _ Querier = (*Queries)(nil) · sqlc-dev/sqlc · Discussion #2055

FotiadisM
Feb 9, 2023

I don't understand what this line does or why is it useful. Could some pleas explain it me? Thank you very much

type Querier interface {
 // ...
}
var _ Querier = (*Queries)(nil)

Answered by go-aegian

var _ Querier = (*Querier)(nil)

allows compiler to verify a struct implements the interface

var _ Querier = (*Querier)(nil)

allows compiler to verify a struct implements the interface

0 replies

Answer selected by kyleconroy