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delete_key now returns the deleted key and deleted value (if found)

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gingerBill
2021-07-04 18:52:47 +01:00
parent ee908c00de
commit a4be1a5e4c
1 changed files with 13 additions and 2 deletions
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core/runtime/core_builtin.odin
+13 -2
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@@ -270,11 +270,22 @@ reserve_map :: proc(m: ^$T/map[$K]$V, capacity: int) {
// The delete_key built-in procedure deletes the element with the specified key (m[key]) from the map. // The delete_key built-in procedure deletes the element with the specified key (m[key]) from the map.
// If m is nil, or there is no such element, this procedure is a no-op // If m is nil, or there is no such element, this procedure is a no-op
@builtin @builtin
delete_key :: proc(m: ^$T/map[$K]$V, key: K) { delete_key :: proc(m: ^$T/map[$K]$V, key: K) -> (deleted_key: K, deleted_value: V) {
if m != nil { if m != nil {
key := key; key := key;
__dynamic_map_delete_key(__get_map_header(m), __get_map_hash(&key)); h := __get_map_header(m);
hash := __get_map_hash(&key);
fr := __dynamic_map_find(h, hash);
if fr.entry_index >= 0 {
entry := __dynamic_map_get_entry(h, fr.entry_index);
deleted_key = (^K)(uintptr(entry)+h.key_offset)^;
deleted_value = (^V)(uintptr(entry)+h.value_offset)^;
__dynamic_map_erase(h, fr);
}
} }
return;
} }