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local a = {
value = 123
}
local b = a.value
local add = function(a, b)
return a + b
end
local s = add(a.value, b)
print(s)
local Point = {}
Point.new = function(x, y)
local point = setmetatable({ }, {
__index = Point
})
point.x = x or 0
point.y = y or 0
return point
end
Point.move = function(self, dx, dy)
self.x = self.x + dx
self.y = self.y + dy
end
local p = Point.new(100, 100)
p:move(50, 50)
local filter = function(tab, handler)
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #tab do
local item = tab[_index_0]
if handler(item) then
_accum_0[_len_0] = item
_len_0 = _len_0 + 1
end
end
return _accum_0
end
local cond = function(item)
return item ~= "a"
end
local res = filter({
"a",
"b",
"c",
"a"
}, cond)
for _index_0 = 1, #res do
local s = res[_index_0]
print(s)
end
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