/Prelude-v21.0.0/Integer/add.dhall

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add m n computes m + n.

Examples

add +3 +5 ≡ +8
add -3 -5 ≡ -8
add -4 +4 ≡ +0
add -3 +5 ≡ +2
add +3 -5 ≡ -2
add +0 -3 ≡ -3
add +0 +3 ≡ +3

Source

--| `add m n` computes `m + n`.
let Integer/subtract =
./subtract.dhall sha256:a34d36272fa8ae4f1ec8b56222fe8dc8a2ec55ec6538b840de0cbe207b006fda
? ./subtract.dhall

let add
: Integer → Integer → Integer
= λ(m : Integer) → λ(n : Integer) → Integer/subtract (Integer/negate m) n

let example0 = assert : add +3 +5 ≡ +8

let example1 = assert : add -3 -5 ≡ -8

let example2 = assert : add -4 +4 ≡ +0

let example3 = assert : add -3 +5 ≡ +2

let example4 = assert : add +3 -5 ≡ -2

let example5 = assert : add +0 -3 ≡ -3

let example6 = assert : add +0 +3 ≡ +3

in add