Function concordium_std::prims::state_delete_prefix

source · 
pub unsafe extern "C" fn state_delete_prefix(
    key_start: *const u8,
    key_length: u32
) -> u32
Expand description

Delete a prefix in the tree, that is, delete all parts of the tree that have the given key as prefix. Returns

  • 0 if the tree was locked and thus deletion failed.
  • 1 if the tree was not locked, but the key points to an empty part of the tree
  • 2 if a part of the tree was successfully deleted