tuples

Provides many useful tools related to tuples

• AsRef
• AsMut
• AsOption
• AsResult
• Transpose
• Combin
• Mapping
• Iter
• IntoIter
• FromIter
• Meta Trait
• Shorthand Macro

Examples

• map rust let a = (1, 2, 3); let b = a.map(|v| v * 3); assert_eq!(b, (3, 6, 9));
• mapN rust let a = (1, 2, 3, 4, 5); let b = a.map3(|v| v * 5); assert_eq!(b, (1, 2, 3, 20, 5));
• as_ref rust let t = (5, 6, 7); let (a, b, c) = t.as_ref(); assert_eq!(*a, 5); assert_eq!(*b, 6); assert_eq!(*c, 7);

• meta ```rust let a = (1, 2, 3, 4, 5); assert_eq!(a.arity(), 5);

  let b = (); assert_eq!(b.arity(), 0); ```

• iter rust let a = (1, 2, 3) .into_iter() .map(|v| v * 3) .collect_tuple::<tuple![3;]>(); let b: (i32, i32, i32) = (3, 6, 9); assert_eq!(a, b);

• transpose ```rust let a = Some((1, 2, 3)).transpose(); assert_eq!(a, (Some(1), Some(2), Some(3)));

  let b = (Some(1), Some(2), Some(3)).transpose(); assert_eq!(b, Some((1, 2, 3))); ```

• combin ```rust let a = (1, 2).push(3); assert_eq!(a, (1, 2, 3));

  let b = (2, 1).left(3); assert_eq!(b, (3, 2, 1));

  let c = (1, 2, 3).concat((4, 5, 6)); assert_eq!(c, (1, 2, 3, 4, 5, 6)) ```