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src/coin.gleam
import gleam/float
import gleam/int
pub const decimals = 5
pub const lunas_per_coin = 100_000.0
pub type Coin {
Coin(luna: Int)
}
pub fn lunas_to_coins(lunas: Coin) -> Float {
int.to_float(lunas.luna) /. lunas_per_coin
}
pub fn coins_to_lunas(coins: Float) -> Coin {
Coin(float.round(coins *. lunas_per_coin))
}