Files
bux-lang/lib/Result.bux
T
dimgigov 53b43b0f79 feat: lifetime elision, tooling CI, registry, and LSP locals
Ship the QUALITY_PLAN stretch from ownership through ecosystem: C.1
lifetime elision (bootstrap + selfhost), bux fmt/test/doc CI hooks,
stdlib goldens, package registry (bux search/add), and LSP 0.4
position-sensitive locals with inferred let types. Full-tree format
pass plus Map/Set remove double-free fix.
2026-07-19 16:35:08 +03:00

73 lines
1.6 KiB
Plaintext

module Std::Result {
import Std::Io::{PrintLine};
extern func bux_exit(code: int);
enum Result {
Ok(int),
Err(String),
}
func Result_NewOk(value: int) -> Result {
let r: Result = Result { tag: Result_Ok };
r.data.Ok_0 = value;
return r;
}
func Result_NewErr(msg: String) -> Result {
let r: Result = Result { tag: Result_Err };
r.data.Err_0 = msg;
return r;
}
func Result_IsOk(r: Result) -> bool {
return r.tag == Result_Ok;
}
func Result_IsErr(r: Result) -> bool {
return r.tag == Result_Err;
}
func Result_Unwrap(r: Result) -> int {
if r.tag != Result_Ok {
PrintLine("panic: unwrap on Err");
return 0;
}
return r.data.Ok_0;
}
func Result_UnwrapOr(r: Result, fallback: int) -> int {
if r.tag == Result_Ok {
return r.data.Ok_0;
}
return fallback;
}
/* Unwrap Ok or panic with a custom message */
func Result_Expect(r: Result, msg: String) -> int {
if r.tag != Result_Ok {
PrintLine(msg);
bux_exit(1);
}
return r.data.Ok_0;
}
/* Extract Err payload (panics if Ok) */
func Result_UnwrapErr(r: Result) -> String {
if r.tag != Result_Err {
PrintLine("panic: unwrap_err on Ok");
return "";
}
return r.data.Err_0;
}
/* If r is Ok return it, otherwise return other */
func Result_Or(r: Result, other: Result) -> Result {
if r.tag == Result_Ok {
return r;
}
return other;
}
}