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@Box: $[value] {
dilambda[
${ value },
$[new] { value = new }
]
}
@Array2d: $[w, h] {
@data: array#new[w * h, 0]
dilambda[
$[x, y] { data[x + (y * w)] },
$[x, y, new] { data[x + (y * w)] = new }
]
}
@print: $[x] { printf["x -> %a\n", x] }
@x = Box[-7]
x[] *= 2
print[x[]]
x[] = 'abcdef
print[x[]]
@m: Array2d[10, 10]
FOR [@x: 0][< 10][+ 1]
FOR [@y: 0][< 10][+ 1]
m[x, y] = x ^ y
printf["%a == %a\n", m[3,7], 3^7]
@add: $[*] {
@acc = 0
FOR [@i: 0][< SEL$][+ 1]
acc += SEL[i]
acc
}
printf["4+1+3: %a\n", add[4,1,3]]
@gather: $[*] { SEL[*] }
printf["test %a\n", gather[-1, (), 'x]]
@map: $[f, xs] {
@ys: array#new[xs.len]
FOR [@i: 0][< xs.len][+ 1]
ys[i] = f[xs[i]]
ys
}
printf["maps %a\n", map["abcd", #[1,2,0]]]
@inspect: $[m] {
printf["%a\n", m]
}
@r: #{"a" 1, "b" 2, 0 "a"}
r[0]=r
printf["r: "] inspect[r]
printf["r.a -> %a\n", r[0].a]
${
inspect [#{0 3,"a" 3}]
}[]
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