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fix rust docs for remove storage prefix and take storage item (#9544)

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This commit is contained in:
Amar Singh
2021-08-12 00:51:31 -04:00
committed by GitHub
parent f7bcbdd261
commit c4446f62ae
1 changed files with 2 additions and 2 deletions
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substrate/frame/support/src/storage/migration.rs
+2 -2
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@@ -249,7 +249,7 @@ pub fn put_storage_value<T: Encode>(module: &[u8], item: &[u8], hash: &[u8], val
frame_support::storage::unhashed::put(&key, &value);
}
/// Get a particular value in storage by the `module`, the map's `item` name and the key `hash`.
/// Remove all items under a storage prefix by the `module`, the map's `item` name and the key `hash`.
pub fn remove_storage_prefix(module: &[u8], item: &[u8], hash: &[u8]) {
let mut key = vec![0u8; 32 + hash.len()];
key[0..16].copy_from_slice(&Twox128::hash(module));
@@ -258,7 +258,7 @@ pub fn remove_storage_prefix(module: &[u8], item: &[u8], hash: &[u8]) {
frame_support::storage::unhashed::kill_prefix(&key, None);
}
/// Get a particular value in storage by the `module`, the map's `item` name and the key `hash`.
/// Take a particular item in storage by the `module`, the map's `item` name and the key `hash`.
pub fn take_storage_item<K: Encode + Sized, T: Decode + Sized, H: StorageHasher>(
module: &[u8],
item: &[u8],