ludic/docs/language/structure/kw-bind.md
Orkuncakilkaya e2528c1b10 docs/language: a page for every keyword and attribute the vocabulary has
Keywords: module uses friend export internal numbers unsafe mut port bind action
reducer registry of as from def open alias component prop view (structure),
shows lasts then loads (scenes), system (ecs), dispatch (control), true false
null (operators). Attributes: @Ref @OneOf @Range @Unit @Asset @Color, @Node /
@Clip / @Material, @Tint @Derived, @Text / @Multiline, @Key, @AppendOnly /
@ByKey, @PerMap / @Chunked, @frame @max, @owns / @creates / @releases,
@deterministic @alloc_ok. Each is in tools/docgen/inventory.json; every fence
that is not marked skip parses (ludicc --fmt). annot-clearcolor's token loses its
quotes, which no reader strips.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 23:59:47 +03:00

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---
id: kw-bind
name: bind
category: structure
kind: keyword
tokens: bind
sig: bind Port { member: function_name, ... }
tip: The program's answers to a port: one function per member.
order: 60
---
<code>bind</code> answers a <code>port</code>: each member names a function of the member's type. It is written once, where the program is put together, and it is the only code that knows both the asking module and the one that answers.
```ludic
# doc-check: skip — a module spans files
bind ClockWorld { rest_scale: party_rest_scale }
```