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// SPDX-License-Identifier: MIT
// (c) Hare authors <https://harelang.org>
use encoding::utf8;
use io;
use os::exec;
// Tagged union of possible wordexp error conditions.
export type error = !(io::error | exec::error | utf8::invalid | sh_error);
// An error occured during shell expansion.
export type sh_error = !void;
// Converts an [[error]] to a human-friendly string.
export fn strerror(err: error) const str = {
match (err) {
case let err: io::error =>
return io::strerror(err);
case let err: exec::error =>
return exec::strerror(err);
case utf8::invalid =>
return "Word expansion resulted in invalid UTF-8 data";
case sh_error =>
return "An error occured during shell expansion";
};
};
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