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error: runtime value contains reference to comptime var #22

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error: runtime value contains reference to comptime var #22

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49 changes: 28 additions & 21 deletions s2s.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -486,22 +486,25 @@ fn computeTypeHash(comptime T: type) [8]u8 {

return intToLittleEndianBytes(hasher.final());
}

fn getSortedErrorNames(comptime T: type) []const []const u8 {
comptime {
const error_set = @typeInfo(T).error_set orelse @compileError("Cannot serialize anyerror");

var sorted_names: [error_set.len][]const u8 = undefined;
for (error_set, 0..) |err, i| {
sorted_names[i] = err.name;
}

std.mem.sortUnstable([]const u8, &sorted_names, {}, struct {
fn order(ctx: void, lhs: []const u8, rhs: []const u8) bool {
_ = ctx;
return (std.mem.order(u8, lhs, rhs) == .lt);
const sorted_names = blk: {
var names: [error_set.len][]const u8 = undefined;
for (error_set, 0..) |err, i| {
names[i] = err.name;
}
}.order);

std.mem.sortUnstable([]const u8, &names, {}, struct {
fn order(ctx: void, lhs: []const u8, rhs: []const u8) bool {
_ = ctx;
return (std.mem.order(u8, lhs, rhs) == .lt);
}
}.order);
break :blk names;
};

return &sorted_names;
}
}
Expand All @@ -510,17 +513,21 @@ fn getSortedEnumNames(comptime T: type) []const []const u8 {
comptime {
const type_info = @typeInfo(T).@"enum";

var sorted_names: [type_info.fields.len][]const u8 = undefined;
for (type_info.fields, 0..) |err, i| {
sorted_names[i] = err.name;
}

std.mem.sortUnstable([]const u8, &sorted_names, {}, struct {
fn order(ctx: void, lhs: []const u8, rhs: []const u8) bool {
_ = ctx;
return (std.mem.order(u8, lhs, rhs) == .lt);
const sorted_names = blk: {
var names: [type_info.fields.len][]const u8 = undefined;
for (type_info.fields, 0..) |err, i| {
names[i] = err.name;
}
}.order);

std.mem.sortUnstable([]const u8, &names, {}, struct {
fn order(ctx: void, lhs: []const u8, rhs: []const u8) bool {
_ = ctx;
return (std.mem.order(u8, lhs, rhs) == .lt);
}
}.order);
break :blk names;
};

return &sorted_names;
}
}
Expand Down