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hi = [x*2 for _, x in ipairs{1,2,3,4}]
items = {1,2,3,4,5,6}
_ = [z for z in ipairs items when z > 4]
rad = [{a} for a in ipairs {
1,2,3,4,5,6,
} when good_number a]
_ = [z for z in items for j in list when z > 4]
require "util"
dump = (x) -> print util.dump x
range = (count) ->
i = 0
return coroutine.wrap ->
while i < count
coroutine.yield i
i = i + 1
dump [x for x in range 10]
dump [{x, y} for x in range 5 when x > 2 for y in range 5]
things = [x + y for x in range 10 when x > 5 for y in range 10 when y > 7]
print x,y for x in ipairs{1,2,4} for y in ipairs{1,2,3} when x != 2
print "hello", x for x in items
_ = [x for x in x]
x = [x for x in x]
print x,y for x in ipairs{1,2,4} for y in ipairs{1,2,3} when x != 2
double = [x*2 for x in *items]
print x for x in *double
cut = [x for x in *items when x > 3]
hello = [x + y for x in *items for y in *items]
print z for z in *hello
-- slice
x = {1, 2, 3, 4, 5, 6, 7}
print y for y in *x[2,-5,2]
print y for y in *x[,3]
print y for y in *x[2,]
print y for y in *x[,,2]
print y for y in *x[2,,2]
a, b, c = 1, 5, 2
print y for y in *x[a,b,c]
normal = (hello) ->
[x for x in yeah]
test = x 1,2,3,4,5
print thing for thing in *test
_ = -> a = b for row in *rows
with tb
f [a] -- indexing
f [a,] -- list with one element
print v for v in *f[a,] -- table slicing in for-loop
f [] -- empty list
f[] = x -- table appending to f
[a] = x -- assign to tb[a]
[a,] = x -- list destructuring for x
[] = x -- table appending to tb
c = a in [1] -- check if a in tb[1]
c = a in [1,] -- check if a == 1
c = a in {1} -- check if a == 1
c = a in {1,} -- check if a == 1
do
[a, b] = hello
[name = "nameless", job = "jobless"] = person
do
transactions = ["T001", "T002", "T003", "T004", "T005"]
middleTransactions = transactions[2, -2]
print middleTransactions -- => {"T002", "T003", "T004"}
do
logs =
- start: 0, end: 100
- start: 100, end: 200
- start: 200, end: 123
print logs[#].end -- => 123
do
pendingOrders = ["O001", "O002", "O003", "O004"]
print pendingOrders[# - 1] -- => "O003"
do
getOrders = ->
{
{ id: "O1001", status: "pending" }
{ id: "O1002", status: "processing" }
{ id: "O1003", status: "done" }
}
lastStatus = getOrders()[#].status
assert lastStatus == "done"
do
cloneList1 = (list) -> list[,]
cloneList2 = (list) -> [...list,]
cloneTable = (tb) -> {...tb}
do
print(
globalTB[#]
a.b.c[# - 2]
x?\y?!.z?[# - 3]
)
do
f = ->
print(
globalTB[#]\end 123
a.b.c[5,-5][# - 2]
x?\y?!.z?[# - 3]?[, -3]
)
nil
|
