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feat(lang): L5 generic records and functions

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property Pool<T> { ... }, function first<T>(xs: []T) -> T, map<T, U> over fn
types; a type writes an instance as Pool<Thing>, nested as deep as needed. The
parser names an instance Pool$Thing and remembers its generic and arguments; the
checker takes the generic declarations out, infers a call's type arguments from
its arguments or its result's declared slot, and makes each instance once as an
ordinary record or function, checked like any other. Errors print Pool<Thing>.
An instance keeps its generic's module and export (L3). ludic-fmt keeps type
arguments together while spacing comparisons and shifts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-24 02:21:09 +03:00
parent 57b66bdf47
commit 6a24b14f0e
26 changed files with 61796 additions and 51949 deletions
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7
selfhost/check/check_expr.ludic
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@ -29,6 +29,8 @@ function ck_any(n: Node) -> void {
}
function ck_expr(e: Node) -> pointer {
if e == null { return "?" }
let ex = ck_expect
ck_expect = null
let k = e.kind
if k == E_INT { return "int" }
if k == E_FLOAT {
@ -51,7 +53,10 @@ function ck_expr(e: Node) -> pointer {
if k == E_UN { return ck_un(e) }
if k == E_MEMBER { return ck_member(e) }
if k == E_INDEX { return ck_index_of(e) }
if k == E_CALL { return ck_call(e) }
if k == E_CALL {
ck_call_expect = ex
return ck_call(e)
}
if k == S_EMIT { ck_emit(e); return "?" }
ck_walk(e)
return "?"