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feat(lang): functions are values (L2), and render3d takes its scene as callbacks

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fn(int, float) -> bool is a type, fn name is any top-level function's value, and a call through
a local, a global, a record field, a slice element, a parameter or a result of a function type
is an indirect call; two function types mix only when equal, a call checks its argument count,
and a value may be null (examples/functions/values.ludic). Job.parallel_for keeps its worker
check.

render3d's scene is registered rather than required by name: r3d_on_draw, r3d_on_casters and
r3d_on_stream_fill (hooks.ludic). The two rendering examples register theirs - and had defined
scene_draw_casters with no parameter while the renderer passed one, which nothing checked.
render3d declares numbers float itself; smooth.ludic is converted to floats and returns when
r3d_init fails instead of running on into a segfault. Noise.* check their argument count (a call
one short crashed the compiler). selfhost-build says why it failed. The migration tool reads a
declared float as evidence. Seed regenerated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-24 00:27:26 +03:00
parent dc75a5a5ab
commit 0c73287e35
23 changed files with 71430 additions and 68575 deletions
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2
tools/ludic-cli/test.ludic
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@ -704,6 +704,8 @@ function cmd_dev_test() -> int {
reject_case("rejected/duplicate_property", "'Look' is defined twice", "a property defined twice is refused")
reject_case("rejected/redeclared_local", "'v0' is declared twice in this block", "a local declared twice in one block is refused")
reject_case("rejected/missing_return", "can reach its end without returning", "a function that can run off its end without its result is refused")
feat_case("functions/values", "", "42 10 25 49 81 1.5 1", "values.ludic (L2: fn types, fn name, calls through a local, global, field, element, parameter, result)")
reject_case("rejected/fn_type_mismatch", "is not a fn(int)->int", "a function of the wrong type is refused")
# EV2 the world table: the mod reflection ABI, callable from Ludic by name.
net_case("ecs/world_get", "50 1 7")