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fillDefaultStructValues

static.fillDefaultStructValues

fn fillDefaultStructValues(comptime T: type, r: *T, fields_seen: *[@typeInfo(T).@"struct".field_names.len]bool) !void

File

lib/std/json/static.zig:796

Code

fn fillDefaultStructValues(comptime T: type, r: *T, fields_seen: *[@typeInfo(T).@"struct".field_names.len]bool) !void {
    const info = @typeInfo(T).@"struct";
    inline for (
        info.field_names,
        info.field_types,
        info.field_attrs,
        0..,
    ) |field_name, field_type, field_attrs, i| {
        if (!fields_seen[i]) {
            if (field_attrs.defaultValue(field_type)) |default| {
                @field(r, field_name) = default;
            } else {
                return error.MissingField;
            }
        }
    }
}