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Inline module

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Because this is Terraform, and it's the ultimate optimisation technique
This commit is contained in:
Bert Peters
2024-12-20 20:15:30 +01:00
parent 395463dc4a
commit be2244eca9
2 changed files with 16 additions and 24 deletions
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25
2024/bonus/day11/step/main.tf
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@@ -2,17 +2,24 @@ variable "prev" {
type = map(number)
}
module "transform" {
source = "../transform"
for_each = var.prev
num = each.key
}
locals {
not_a_module = {
for num, _ in var.prev : num => (
tonumber(num) == 0
? [1]
: (
length(tostring(num)) % 2 == 0
? [
tonumber(substr(tostring(num), 0, length(tostring(num)) / 2)),
tonumber(substr(tostring(num), length(tostring(num)) / 2, length(tostring(num)) / 2)),
]
: [num * 2024]
)
)
}
by_value = flatten([
for key, value in module.transform :
[for result in value.result : { num = result, count = var.prev[key] }]
for key, value in local.not_a_module :
[for result in value : { num = result, count = var.prev[key] }]
])
grouped = { for kv in local.by_value : kv.num => kv.count... }