nomsu/core/coroutines.nom

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#!/usr/bin/env nomsu -V5.12.12.8
#
This file defines the code that creates and manipulates coroutines
use "core/metaprogramming.nom"
use "core/operators.nom"
use "core/control_flow.nom"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
test:
$co = (..)
->:
yield 4
yield 5
repeat 3 times:
yield 6
$nums = []
for $ in coroutine $co: $nums|add $
assume ($nums == [4, 5, 6, 6, 6]) or barf "Coroutine iteration failed"
$d = {x: 0}
$co2 = (..)
coroutine:
$d.x += 1
yield 1
$d.x += 1
yield
$d.x += 1
repeat while ((coroutine status of $co2) != "dead"): resume $co2
assume $d.x == 3
(coroutine $body) parses as (coroutine from (-> $body))
(for $ in coroutine $co $body) compiles to "
for \($ as lua expr) in coroutine_wrap(\($co as lua expr)) do
\($body as lua)
end"