3_Tupples.md

Definition

• immutable
• ordered
• fix-sized at creation time
• heterogeneous

Creation

let xyCoordinates = (23, 24)

return several values from the block

let greetingsTupple = { let a = "Hello"; let b = "World"; (a, b); };

fst(greetingsTupple) ++ snd(greetingsTupple);

Pervasive is initially opened meaning you can use anything on this module without opening

Tupples use structural typing

Destructuring

let (x, y) = (1, 3); let (x, _ , z) = (1,2,3); let (_, _) = (1,2,3);