53b43b0f79
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.
73 lines
1.6 KiB
Plaintext
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;
|
|
}
|
|
|
|
}
|