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#[macro_export] /// Returns one of two parts, depending on the evaluation of an expression. /// Example: /// ```rust /// use iif::iif; /// /// let active = true; /// let active_text = iif!(active, "Active", "Inactive"); /// /// assert_eq!(active_text, "Active"); /// /// let active = false; /// let active_text = iif!(active, "Active", "Inactive"); /// /// assert_eq!(active_text, "Inactive"); /// ``` macro_rules! iif { ( $check:expr, $true_case:expr, $false_case:expr ) => { if $check { $true_case } else { $false_case } }; } #[macro_export] /// Returns an option, depending on the evaluation of an expression. /// Example: /// ```rust /// use iif::iif_opt; /// /// let active = true; /// let active_text = iif_opt!(active, "Active"); /// /// assert_eq!(active_text, Some("Active")); /// /// let active = false; /// let active_text = iif_opt!(active, "Active"); /// /// assert_eq!(active_text, None); /// ``` macro_rules! iif_opt { ( $check:expr, $true_case:expr ) => { if $check { Some($true_case) } else { None } }; }