Function getAutoHashFn [src]

Prototype

pub fn getAutoHashFn(comptime K: type, comptime Context: type) (fn (Context, K) u32)

Parameters

K: typeContext: type

Source

  pub fn getAutoHashFn(comptime K: type, comptime Context: type) (fn (Context, K) u32) {
    return struct {
        fn hash(ctx: Context, key: K) u32 {
            _ = ctx;
            if (std.meta.hasUniqueRepresentation(K)) {
                return @truncate(Wyhash.hash(0, std.mem.asBytes(&key)));
            } else {
                var hasher = Wyhash.init(0);
                autoHash(&hasher, key);
                return @truncate(hasher.final());
            }
        }
    }.hash;
}  