pezkuwi-subxt-core 0.44.0

A no-std compatible subset of Subxt's functionality
Documentation 
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// Copyright 2019-2025 Parity Technologies (UK) Ltd.
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
// see LICENSE for license details.

/// A unit marker enum.
pub enum Yes {}
/// A unit marker enum.
pub enum Maybe {}
/// A unit marker enum.
pub enum No {}

/// This is implemented for [`Yes`] and [`No`] and
/// allows us to check at runtime which of these types is present.
pub trait YesNo {
	/// [`Yes`]
	fn is_yes() -> bool {
		false
	}
	/// [`No`]
	fn is_no() -> bool {
		false
	}
}

impl YesNo for Yes {
	fn is_yes() -> bool {
		true
	}
}
impl YesNo for No {
	fn is_no() -> bool {
		true
	}
}

/// This is implemented for [`Yes`] and [`Maybe`] and
/// allows us to check at runtime which of these types is present.
pub trait YesMaybe {
	/// [`Yes`]
	fn is_yes() -> bool {
		false
	}
	/// [`Maybe`]
	fn is_maybe() -> bool {
		false
	}
}

impl YesMaybe for Yes {
	fn is_yes() -> bool {
		true
	}
}
impl YesMaybe for Maybe {
	fn is_maybe() -> bool {
		true
	}
}

/// This is implemented for [`No`] and [`Maybe`] and
/// allows us to check at runtime which of these types is present.
pub trait NoMaybe {
	/// [`No`]
	fn is_no() -> bool {
		false
	}
	/// [`Maybe`]
	fn is_maybe() -> bool {
		false
	}
}

impl NoMaybe for No {
	fn is_no() -> bool {
		true
	}
}
impl NoMaybe for Maybe {
	fn is_maybe() -> bool {
		true
	}
}