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add peeks

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This commit is contained in:
Colin Davidson
2022-08-29 01:53:40 -07:00
parent fc47b5dee0
commit 83c002c197
1 changed files with 10 additions and 0 deletions
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core/container/queue/queue.odin
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@@ -99,6 +99,16 @@ get_ptr :: proc(q: ^$Q/Queue($T), #any_int i: int, loc := #caller_location) -> ^
return &q.data[idx] return &q.data[idx]
} }
peek_front :: proc(q: ^$Q/Queue($T)) -> ^T {
idx := q.offset%builtin.len(q.data)
return &q.data[idx]
}
peek_back :: proc(q: ^$Q/Queue($T)) -> ^T {
idx := (uint(q.len - 1)+q.offset)%builtin.len(q.data)
return &q.data[idx]
}
// Push an element to the back of the queue // Push an element to the back of the queue
push_back :: proc(q: ^$Q/Queue($T), elem: T) -> bool { push_back :: proc(q: ^$Q/Queue($T), elem: T) -> bool {
if space(q^) == 0 { if space(q^) == 0 {