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Macros to use path instead of ident (#1474)

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This commit is contained in:
Juan
2023-10-14 08:26:19 +02:00
committed by GitHub
parent 1f28cddd6f
commit 7c87d61f5a
26 changed files with 489 additions and 134 deletions
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substrate/frame/support/procedural/src/key_prefix.rs
+6 -1
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@@ -15,6 +15,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
use frame_support_procedural_tools::generate_access_from_frame_or_crate;
use proc_macro2::{Span, TokenStream};
use quote::{format_ident, quote, ToTokens};
use syn::{Ident, Result};
@@ -27,6 +28,7 @@ pub fn impl_key_prefix_for_tuples(input: proc_macro::TokenStream) -> Result<Toke
}
let mut all_trait_impls = TokenStream::new();
let frame_support = generate_access_from_frame_or_crate("frame-support")?;
for i in 2..=MAX_IDENTS {
let current_tuple = (0..i)
@@ -64,7 +66,10 @@ pub fn impl_key_prefix_for_tuples(input: proc_macro::TokenStream) -> Result<Toke
#(#hashers: ReversibleStorageHasher,)*
#(#kargs: EncodeLike<#prefixes>),*
> HasReversibleKeyPrefix<( #( #kargs, )* )> for ( #( Key<#hashers, #current_tuple>, )* ) {
fn decode_partial_key(key_material: &[u8]) -> Result<Self::Suffix, codec::Error> {
fn decode_partial_key(key_material: &[u8]) -> Result<
Self::Suffix,
#frame_support::__private::codec::Error,
> {
<#suffix_keygen>::decode_final_key(key_material).map(|k| k.0)
}
}