feat: multi-instance closures, richer stdlib, and Rust-style diagnostics

Introduce fat function pointers (BuxFn {code, env}) so capturing closures
are heap-allocated per value in both bootstrap and selfhost. Expand
Array/Map/Set/String/Test/Result APIs, add proper tuple codegen and
error snippets with multi-char underlines, golden diagnostic tests, and
LSP diagnostics via buxc check.
This commit is contained in:
2026-07-15 16:00:21 +03:00
parent 94e6806dda
commit 61ac06ab5f
48 changed files with 2789 additions and 362 deletions
+21
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// String_IsBlank / String_Repeat
import Std::Io::{PrintLine};
import Std::String::{String_IsBlank, String_IsEmpty, String_Repeat, String_Eq, String_Len};
import Std::Test::{Test_AssertTrue, Test_AssertFalse, Test_AssertEqInt, Test_AssertEqString, Test_Pass};
func Main() -> int {
Test_AssertTrue(String_IsEmpty(""));
Test_AssertTrue(String_IsBlank(""));
Test_AssertTrue(String_IsBlank(" \t\n"));
Test_AssertFalse(String_IsBlank(" x "));
let dots: String = String_Repeat(".", 5);
Test_AssertEqString(dots, ".....");
Test_AssertEqInt(String_Len(String_Repeat("ab", 3)) as int, 6);
Test_AssertEqString(String_Repeat("x", 0), "");
Test_AssertEqString(String_Repeat("ok", 1), "ok");
PrintLine(String_Repeat("Bux ", 2));
Test_Pass("string_extra");
return 0;
}