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Merge pull request #1124 from sogaiu/tweak-ev-select-docstring

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Tweak ev/select docstring
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Calvin Rose 2023-05-08 04:17:25 -05:00 committed by GitHub
commit 2ac4988f1b
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1 changed files with 10 additions and 5 deletions
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15
src/core/ev.c
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@ -1012,11 +1012,16 @@ static void chan_unlock_args(const Janet *argv, int32_t n) {
JANET_CORE_FN(cfun_channel_choice,
"(ev/select & clauses)",
"Block until the first of several channel operations occur. Returns a tuple of the form [:give chan], [:take chan x], or [:close chan], where "
"a :give tuple is the result of a write and :take tuple is the result of a read. Each clause must be either a channel (for "
"a channel take operation) or a tuple [channel x] for a channel give operation. Operations are tried in order, such that the first "
"clauses will take precedence over later clauses. Both and give and take operations can return a [:close chan] tuple, which indicates that "
"the specified channel was closed while waiting, or that the channel was already closed.") {
"Block until the first of several channel operations occur. Returns a "
"tuple of the form [:give chan], [:take chan x], or [:close chan], "
"where a :give tuple is the result of a write and a :take tuple is the "
"result of a read. Each clause must be either a channel (for a channel "
"take operation) or a tuple [channel x] (for a channel give operation). "
"Operations are tried in order such that earlier clauses take "
"precedence over later clauses. Both give and take operations can "
"return a [:close chan] tuple, which indicates that the specified "
"channel was closed while waiting, or that the channel was already "
"closed.") {
janet_arity(argc, 1, -1);
int32_t len;
const Janet *data;