ludic/packages/ludic.jobs/facts.ludic

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# facts.ludic - a jobs fact's record: one no drain holds any more, made fresh (and kept) only when
# every one is held. A deed that moves a job is a fact, and a record a fact is never given back
# (the ludic.wildlife idiom)
function jobs__fact_record(jobs_st: mut JobsState) -> JobsFact {
if jobs_st.jobs__fnext[0] >= len(jobs_st.jobs__ffree) {
q_unheld(jobs_st.jobs__q, jobs_st.jobs__fpool, jobs_st.jobs__ffree)
jobs_st.jobs__fnext[0] = 0
}
if jobs_st.jobs__fnext[0] < len(jobs_st.jobs__ffree) {
let f = jobs_st.jobs__ffree[jobs_st.jobs__fnext[0]]
jobs_st.jobs__fnext[0] += 1
return f
}
@alloc_ok("a pool miss: past the most facts held at once, then kept in the pool")
let f = new JobsFact
@alloc_ok("as above")
push(jobs_st.jobs__fpool, f)
return f
}
# how many fact records have ever been made: the peak held at once, not the facts said
export function jobs_fact_records(jobs_st: JobsState) -> int { return len(jobs_st.jobs__fpool) }