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Merge pull request #1426 from jasonKercher/fix_queue

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fix push_back and pop_front
This commit is contained in:
Jeroen van Rijn
2022-01-14 16:45:54 +01:00
committed by GitHub
parent e15f714660 6cf5371d7d
commit e277102947
1 changed files with 4 additions and 1 deletions
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core/container/queue/queue.odin
+4 -1
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@@ -86,7 +86,8 @@ push_back :: proc(q: ^$Q/Queue($T), elem: T) -> bool {
if space(q^) == 0 {
_grow(q) or_return
}
q.data[q.len] = elem
idx := (q.offset+uint(q.len))%builtin.len(q.data)
q.data[idx] = elem
q.len += 1
return true
}
@@ -126,6 +127,7 @@ pop_back_safe :: proc(q: ^$Q/Queue($T)) -> (elem: T, ok: bool) {
pop_front :: proc(q: ^$Q/Queue($T), loc := #caller_location) -> (elem: T) {
assert(condition=q.len > 0, loc=loc)
elem = q.data[q.offset]
q.offset = (q.offset+1)%builtin.len(q.data)
q.len -= 1
return
}
@@ -133,6 +135,7 @@ pop_front :: proc(q: ^$Q/Queue($T), loc := #caller_location) -> (elem: T) {
pop_front_safe :: proc(q: ^$Q/Queue($T)) -> (elem: T, ok: bool) {
if q.len > 0 {
elem = q.data[q.offset]
q.offset = (q.offset+1)%builtin.len(q.data)
q.len -= 1
ok = true
}