stof 0.3.24

Stof is a unified data interface and interchange format for creating, sharing, and manipulating data. Stof removes the fragile and cumbersome parts of combining and using data in applications.
Documentation 
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//
// Copyright 2024 Formata, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#[type_attribute]
type TypeWithAttributes {
    #[private]
    private_field: int = 42;

    #[someotherattr]
    field: bool = true;

    #[multiple(3423)]
    #[anything(true)]
    many: str = 'yup'

    fn get_field(): int {
        return self.private_field;
    }
}

#[attribute]
TypeWithAttributes object: {}

#[attr]
subobj: {
    #[attr]
    #[another]
    sub: {}
}

#[test]
fn object_field_attributes() {
    assertEq(self.attributes('object').len(), 1);
    assertEq(self.attributes('subobj').len(), 1);
    assertEq(self.subobj.attributes('sub').len(), 2);
}

#[test]
fn private_field_attribute() {
    assertNull(self.object.private_field);
    assertEq(42, self.object.get_field());
}

#[test(map([('someotherattr', null)]))]
fn has_attr(): map {
    return self.object.attributes('field');
}

#[test]
fn multiple() {
    let attrs = self.object.attributes('many');
    assertEq(attrs.get('anything'), true);
    assertEq(attrs.get('multiple'), 3423);
}

#[test]
fn constructed() {
    let object = new TypeWithAttributes {};
    
    assertNull(object.private_field);
    assertEq(42, object.get_field());

    assertEq(object.attributes('many').len(), 2);
}