Union Types
A union type indicates that a value could be of any of two or more types.
| Program | Type | Value | Error |
|---|---|---|---|
[1] +["a"] | Arr<Num|Str…> | [1, "a"] | |
[1] +["a"] get(0) | Num|Str | 1 |
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A union type indicates that a value could be of any of two or more types.
| Program | Type | Value | Error |
|---|---|---|---|
[1] +["a"] | Arr<Num|Str…> | [1, "a"] | |
[1] +["a"] get(0) | Num|Str | 1 |