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include link to prelude

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Scott Richmond 2024-06-15 22:52:28 -04:00
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prelude.md
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@ -5,6 +5,8 @@ e.g., running `doc! (add)` will send the documentation for `add` to the console.
For more information on the syntax & semantics of the Ludus language, see [language.md](./language.md). For more information on the syntax & semantics of the Ludus language, see [language.md](./language.md).
The prelude itself is just a Ludus file, which you can see at [prelude.ld](./prelude.ld).
## A few notes ## A few notes
**Naming conventions.** Functions whose name ends with a question mark, e.g., `eq?`, return booleans. **Naming conventions.** Functions whose name ends with a question mark, e.g., `eq?`, return booleans.
Functions whose name ends with an exclamation point, e.g., `make!`, change state in some way. Functions whose name ends with an exclamation point, e.g., `make!`, change state in some way.
@ -19,8 +21,7 @@ This should be enough to indicate order of arguments, types, and so on.
**Patterns often, but do not always, indicate types.** Typed patterns are written as `foo as :bar`, **Patterns often, but do not always, indicate types.** Typed patterns are written as `foo as :bar`,
where the type is indicated by the keyword. where the type is indicated by the keyword.
Possible ludus types are: `:nil`, `:boolean`, `:number`, `:keyword` (atomic values); Possible ludus types are: `:nil`, `:boolean`, `:number`, `:keyword` (atomic values);
`:string` (strings are their own beast); `:tuple` and `:list` (indexed collections); `:set` (sets are specific), `:string` (strings are their own beast); `:tuple` and `:list` (ordered collections), `:set`s, and `:dict`ionaries (the other collection types); `:pkg` (packages, which are quasi-collections); `:fn` (functions); and `:box`es.
`:dict` and `:ns` (associative collections); and `:ref` (references).
**Conventional types.** Ludus has two types based on conventions. **Conventional types.** Ludus has two types based on conventions.
* _Result tuples._ Results are a way of modeling the result of a calculation that might fail. * _Result tuples._ Results are a way of modeling the result of a calculation that might fail.