Epoch
1 program
Added 2026-02-28T14:37:00Z
Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled
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Provenance: commit e0273218fa · authored 2026-02-28T15:37:26+01:00 · agent claude-code · model claude-sonnet-4-6
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Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.
Hello World with Optional Types
Provenance: commit e0273218fa · authored 2026-02-28T15:37:26+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled
//
// A simple Epoch program
//
// Declare an algebraic sum type
type OptionalString : string | nothing
// Define a function
Display : string optstr
{
print(optstr)
}
// Overload the function
Display : nothing
{
print("End of line.")
}
// Entry point function
entrypoint :
{
OptionalString hello = "Hello, world!"
OptionalString blank = nothing
Display(hello)
Display(blank)
}