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Add push_back_elem_and_get_ptr

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gingerBill
2025-12-12 01:00:11 +00:00
parent a2d361f17d
commit 23ddb8dd3f
1 changed files with 16 additions and 0 deletions
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16
core/container/xar/xar.odin
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@@ -112,6 +112,22 @@ push_back_elems :: proc(x: ^$X/Xar($T, $SHIFT), values: ..T, loc := #caller_loca
return
}
append_and_get_ptr :: push_back_elem_and_get_ptr
@(require_results)
push_back_elem_and_get_ptr :: proc(x: ^$X/Xar($T, $SHIFT), value: T, loc := #caller_location) -> (ptr: ^T, err: mem.Allocator_Error) {
chunk_idx, elem_idx, chunk_cap := meta_get(SHIFT, uint(x.len))
if x.chunks[chunk_idx] == nil {
x.chunks[chunk_idx] = make([^]T, chunk_cap, x.allocator) or_return
}
x.chunks[chunk_idx][elem_idx] = value
x.len += 1
n = 1
ptr = &x.chunks[chunk_idx][elem_idx]
return
}
pop :: proc(x: ^$X/Xar($T, $SHIFT), loc := #caller_location) -> (val: T) {
assert(x.len > 0, loc=loc)
index := uint(x.len-1)