Union Types - language feature

Example from 1 languages: TypeScript

declare type numOrString = string | number

Example from 1 languages: GraphQL

union SearchResult = Human | Droid | Starship

Example from 1 languages: C3

union Foo
{
  int x;
  float f;
  struct
  {
    char[2] z;
  }
}

Languages with Union Types include TypeScript, GraphQL, C3, C2

View all concepts with or missing a hasUnionTypes measurement

Read more about Union Types on the web: 1.