DA.NonEmpty.Types

Reference documentation for Daml module DA.NonEmpty.Types.

Daml module

DA.NonEmpty.Types

This module contains the type for non-empty lists so we can give it a stable package id.

DamlAdded 3.4.9Updated 3.5.1

Data Types

data NonEmpty a

NonEmpty is the type of non-empty lists. In other words, it is the type of lists that always contain at least one element. If x is a non-empty list, you can obtain the first element with x.hd and the rest of the list with x.tl.

Constructors:

• NonEmpty

hd · a

tl · [a]

Instances:

• instance Foldable NonEmpty
• instance Action NonEmpty
• instance Applicative NonEmpty
• instance Semigroup (NonEmpty a)
• instance GetField hd (NonEmpty a) a
• instance GetField tl (NonEmpty a) [a]
• instance SetField hd (NonEmpty a) a
• instance SetField tl (NonEmpty a) [a]
• instance IsParties (NonEmpty Party)
• instance Traversable NonEmpty
• instance Serializable a => Serializable (NonEmpty a)
• instance Functor NonEmpty
• instance Eq a => Eq (NonEmpty a)
• instance Ord a => Ord (NonEmpty a)
• instance Show a => Show (NonEmpty a)

History

Updated3.5.1

Module declarations or documentation updated.

Added3.4.9