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Line 143:
Line 143: − + Line 156:
Line 156: − local type = numberKey('type', context, n) − local pred = function(e, i) − return e:type() == type − end − local pre Line 191:
Line 186: + + + + + + +
generalize enemy iterators
-- * Enemy iterators.
-- * Enemy iterators.
function Iterator.enemiesByType(context, n)
function Iterator.enemiesBy(context, n, pred, pre)
local collection = U.imap(CollectionEnemy, function(name)
local collection = U.imap(CollectionEnemy, function(name)
return EnemyShip(name)
return EnemyShip(name)
end
end
end)
end)
local i = 1
local i = 1
local current = nil
local current = nil
end,
end,
}
}
end
function Iterator.enemiesByType(context, n)
local type = numberKey('type', context, n)
return Iterator.enemiesBy(context, n, function(e)
return e:type() == type
end)
end
end