npc-engine-utils 0.1.0

The utility module of the NPC engine, providing re-usable support code
Documentation 
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/*
 *  SPDX-License-Identifier: Apache-2.0 OR MIT
 *  © 2020-2022 ETH Zurich and other contributors, see AUTHORS.txt for details
 */

/// Returns a reference to the first element of a tuple reference.
pub fn keep_first<A, B>(tuple: &(A, B)) -> &A {
    &tuple.0
}

/// Returns a reference to the second element of a tuple reference.
pub fn keep_second<A, B>(tuple: &(A, B)) -> &B {
    &tuple.1
}

/// Returns a mutable reference to the first element of a mutable tuple reference.
pub fn keep_first_mut<A, B>(tuple: &mut (A, B)) -> &mut A {
    &mut tuple.0
}

/// Returns a mutable reference to the second element of a mutable tuple reference.
pub fn keep_second_mut<A, B>(tuple: &mut (A, B)) -> &mut B {
    &mut tuple.1
}