magic brook
Is there a way to get the name of a type alias at comptime? E.g.:
const std = @import("std");
const Date = []const u8;
const Body = struct {
a: i32,
date: Date,
};
pub fn main() !void {
inline for (@typeInfo(Body).Struct.fields) |field| {
std.debug.print("{}\n", .{field.type});
}
}
The above prints "i32" and "[]const u8" which is correct, but is there any way I could use a type alias (or other means) to know date is intended to be a Date type?
foggy flint
You need to wrap it to a struct
magic brook
Hmm there's no other way?
foggy flint
Nope
magic brook
Maybe I could trace the Body type back to its source file and walk the AST to find out the real type, as Date
Just a big hassle
foggy flint
what are you trying to do
magic brook
Currently, date validation on json objects (REST api stuff)
foggy flint
I'd either wrap the date into own struct, or provide a schema
magic brook
Provide a schema?
foggy flint
parse / validate the contents based on schema struct
magic brook
I'd have to somehow associate these schemas with each struct 🤔
just all feels very cumbersome
severe crag
Hmm there's no other way?
Data == []const u8. they are exactly the same value. it would be weird if they did not work the same in all cases.