fn try_gen_trait_body(
make: &SyntaxFactory,
ctx: &AssistContext<'_, '_>,
func: &Fn,
trait_ref: TraitRef<'_>,
impl_def: &Impl,
edition: Edition,
) -> Option<BlockExpr>fn try_gen_trait_body(
make: &SyntaxFactory,
ctx: &AssistContext<'_, '_>,
func: &Fn,
trait_ref: TraitRef<'_>,
impl_def: &Impl,
edition: Edition,
) -> Option<BlockExpr>