feat(nutype_macros): impl From<T> where T: Into<#inner_type>

Fix greyblake#124

Author: schneiderfelipe

nutype_macros/src/common/gen/traits.rs

@@ -124,10 +124,10 @@ pub fn gen_impl_trait_borrow(type_name: &TypeName, borrowed_type: impl ToTokens)
 
 pub fn gen_impl_trait_from(type_name: &TypeName, inner_type: impl ToTokens) -> TokenStream {
     quote! {
-        impl ::core::convert::From<#inner_type> for #type_name {
+        impl<T: Into<#inner_type>> ::core::convert::From<T> for #type_name {
             #[inline]
-            fn from(raw_value: #inner_type) -> Self {
-                Self::new(raw_value)
+            fn from(raw_value: T) -> Self {
+                Self::new(raw_value.into())
             }
         }
     }