+++
title = "`basic_outcome(X &&) = delete`"
description = "Disabling implicit constructor used to give useful diagnostic error when trying to use implicit constructors when `predicate::implicit_constructors_enabled` is false."
categories = ["constructors", "disabling-constructors"]
weight = 170
+++

Disabling implicit constructor used to give useful diagnostic error when trying to use implicit constructors when `predicate::implicit_constructors_enabled` is false.

*Requires*: `predicate::implicit_constructors_enabled` is false.

*Complexity*: N/A.