Macro prompt_module 

macro_rules! prompt_module {
    ($($tt:tt)*) => { ... };
}

Available on crate feature macros only.

A macro to easily write a PromptModule.

Usage

You can specify questions similar to a vec![] of struct instantiations. Each field corresponds to calling the builder method of the same name for the respective question kind.

use requestty::prompt_module;

let prompt_module = prompt_module![
    MultiSelect {
        // Each field takes a value, which can result in anything that implements `Into`
        // for the required type
        name: "name",
        // The value can be any expression, for example a local variable.
        message: some_variable,
        // If the field name and the variable name are the same, this shorthand can be
        // used.
        when,
        // While most values are generic expressions, if a array literal is passed to
        // choices, some special syntax applies.
        // - For `MultiSelect`, default can be specified
        // - For `OrderSelect`, separators cannot be specified
        choices: [
            // By default array entries are taken as `Choice(_)`s.
            "Choice 1",
            // For `MultiSelect` if the word 'default' follows the initial expression, a
            // default can be set for that choice.
            "Choice 2" default get_default(),
            // The word 'separator' or 'sep' can be used to create separators. If no
            // expression is given along with 'separator', it is taken as a `DefaultSeparator`.
            separator,
            // Otherwise if there is an expression, it is taken as a `Separator(_)`,
            sep "Separator text!",
        ],
    },
];

Inline

By default, the questions are stored in a Vec. However, if you wish to store the questions on the stack, prefix the questions with inline:

use requestty::prompt_module;

let prompt_module = prompt_module![ inline
    Input {
        name: "input"
    },
];

Note that inlining only works for rust version 1.51 onwards. Pre 1.51, a Vec is still used.

See also questions.