fn transform_impl<N: AstNode>(
ctx: &AssistContext<'_, '_>,
strukt: &Struct,
old_impl: &Impl,
args: &Option<GenericArgList>,
syntax: N,
) -> Option<N>fn transform_impl<N: AstNode>(
ctx: &AssistContext<'_, '_>,
strukt: &Struct,
old_impl: &Impl,
args: &Option<GenericArgList>,
syntax: N,
) -> Option<N>