pub fn exists_child_storage(storage_key: &[u8], key: &[u8]) -> bool {
	unsafe {
		ext_exists_child_storage.get()(
			storage_key.as_ptr(), storage_key.len() as u32,
			key.as_ptr(), key.len() as u32
		) != 0
	}
}
/// Determine whether a particular key exists in storage.
Determine whether a particular key exists in storage.
Determine whether a particular key exists in storage .
pub fn exists_child_storage(storage_key: &[u8], key: &[u8]) -> bool {
	unsafe {
		ext_exists_child_storage.get()(
			storage_key.as_ptr(), storage_key.len() as u32,
			key.as_ptr(), key.len() as u32
		) != 0
	}
}
pub fn exists_child_storage ( storage_key : & [ u8 ] , key : & [ u8 ] ) -> bool { unsafe { ext_exists_child_storage . get ( ) ( storage_key . as_ptr ( ) , storage_key . len ( ) as u32 , key . as_ptr ( ) , key . len ( ) as u32 ) != 0 } }
Determine whether a particular key exists in storage.
Determine whether a particular key exists in storage .
storage_key
&[u8]
key
&[u8]
storage_key
&[u8]
key
&[u8]