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use crate::Result;
/// Creates an instance by parsing a specific `syn::GenericParam`.
/// This can be a type param, a lifetime, or a const param.
pub trait FromGenericParam: Sized {
fn from_generic_param(param: &syn::GenericParam) -> Result<Self>;
}
impl FromGenericParam for () {
fn from_generic_param(_param: &syn::GenericParam) -> Result<Self> {
Ok(())
}
}
impl FromGenericParam for syn::GenericParam {
fn from_generic_param(param: &syn::GenericParam) -> Result<Self> {
Ok(param.clone())
}
}