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New posts in discriminated-union
How to define a zero element when using discriminated unions in F# Array functions
Feb 23, 2026
arrays
f#
discriminated-union
Can Typescript guard / discriminate based on field presence (undefined / absent) rather than value?
Feb 20, 2026
typescript
undefined
discriminated-union
union-types
type-narrowing
How to get the type of each union case for a given union type in F#
Feb 19, 2026
reflection
types
f#
discriminated-union
F#: combining together discriminated unions and class hierarchies?
Feb 14, 2026
f#
discriminated-union
How to update values in list of type <T> in F#?
Feb 14, 2026
f#
records
discriminated-union
Discriminated unions with booleans in Typescript
Jan 26, 2026
typescript
discriminated-union
F# Union Case Parameterization
Jan 20, 2026
f#
discriminated-union
mapping tag to tagged union member doesn't work for specific union, only generic one
Nov 27, 2025
typescript
discriminated-union
Wildcard for type when matching discriminated unions
Nov 23, 2025
f#
functional-programming
pattern-matching
discriminated-union
Typescript Discriminated Union allows invalid state
Nov 20, 2025
typescript
discriminated-union
Typescript narrow class into a discriminated union
Nov 03, 2025
typescript
discriminated-union
Separate each member of a union type
Nov 02, 2025
typescript
discriminated-union
How do I make a generic constraint for a superset of a discriminated union
Oct 30, 2025
typescript
generics
discriminated-union
Typescript group an array of a discriminated union type into a record by a discriminator property
Oct 26, 2025
typescript
discriminated-union
How to group data attached to discriminated union values, in F#?
Oct 26, 2025
f#
discriminated-union
When to use Discriminated Unions vs Classes implementing an interface
Oct 22, 2025
typescript
typescript-typings
discriminated-union
Why does TypeScript's Structural Typing (i.e. "Duck Typing") necessitate non-strict Type Unions? [duplicate]
Oct 18, 2025
typescript
typescript-typings
discriminated-union
TypeScript: Limit discriminator in discriminated union from other string literal union type
Oct 18, 2025
typescript
typescript-typings
discriminated-union
Does TypeScript support a true XOR union between object types? [duplicate]
Oct 15, 2025
typescript
discriminated-union
How to select a key from a discriminated union type?
Oct 14, 2025
javascript
typescript
discriminated-union
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