strict_types 2.9.1

Strict types: confined generalized algebraic data types (GADT)
Documentation 
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// Strict encoding schema library, implementing validation and parsing of strict encoded data
// against a schema.
//
// SPDX-License-Identifier: Apache-2.0
//
// Designed in 2019-2025 by Dr Maxim Orlovsky <orlovsky@ubideco.org>
// Written in 2024-2025 by Dr Maxim Orlovsky <orlovsky@ubideco.org>
//
// Copyright (C) 2022-2025 Laboratories for Ubiquitous Deterministic Computing (UBIDECO),
//                         Institute for Distributed and Cognitive Systems (InDCS), Switzerland.
// Copyright (C) 2022-2025 Dr Maxim Orlovsky.
// All rights under the above copyrights are 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.

#[macro_export]
macro_rules! fields {
    { $($value:expr),+ $(,)? } => {
        {
            let vec = vec![
                $($value),+
            ];
            ::amplify::confinement::Confined::try_from(vec).expect("too many fields").into()
        }
    };
    { $($key:literal => $value:expr),+ $(,)? } => {
        {
            let vec = vec![
                $( $crate::ast::Field { name: fname!($key), ty: $value } ),+
            ];
            ::amplify::confinement::Confined::try_from(vec).expect("too many fields").into()
        }
    };
    { $($key:expr => $value:expr),+ $(,)? } => {
        {
            let vec = vec![
                $( $crate::ast::Field { name: $key, ty: $value } ),+
            ];
            ::amplify::confinement::Confined::try_from(vec).expect("too many fields").into()
        }
    }
}

#[macro_export]
macro_rules! variants {
    { $($key:expr => $tag:literal => $value:expr),+ $(,)? } => {
        {
            let mut m = ::std::collections::BTreeMap::new();
            $(
                assert!(m.insert(::strict_encoding::Variant::named($tag, vname!($key)), $value.into()).is_none(), "repeated field");
            )+
            ::amplify::confinement::Confined::try_from(m).expect("too many variants").into()
        }
    };
    { $($key:expr => $value:expr),+ $(,)? } => {
        {
            let mut tag = 0u8;
            let mut m = ::std::collections::BTreeMap::new();
            $(
                assert!(m.insert(::strict_encoding::Variant::named(tag, vname!($key)), $value.into()).is_none(), "repeated field");
                #[allow(unused_assignments)] {
                    tag += 1;
                }
            )+
            ::amplify::confinement::Confined::try_from(m).expect("too many fields").into()
        }
    };
    { $from:literal..=$to:literal } => {
        {
            let mut m = ::std::collections::BTreeSet::new();
            for tag in $from..=$to {
                assert!(m.insert(::strict_encoding::Variant::named(tag, format!("_{}", tag).try_into().unwrap())), "repeated enum variant");
            }
            ::amplify::confinement::Confined::try_from(m).expect("too many enum variants").into()
        }
    };
    { $($key:expr),+ $(,)? } => {
        {
            let mut tag = 0u8;
            let mut m = ::std::collections::BTreeSet::new();
            $(
                assert!(m.insert(::strict_encoding::Variant::named(tag, vname!($key))), "repeated enum variant");
                #[allow(unused_assignments)] {
                    tag += 1;
                }
            )+
            ::amplify::confinement::Confined::try_from(m).expect("too many enum variants").into()
        }
    };
}