elicitation 0.10.0

Conversational elicitation of strongly-typed Rust values via MCP
Documentation 
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//! Floating-point type implementations using generic macros.

use crate::{
    ElicitCommunicator, ElicitIntrospect, ElicitResult, Elicitation, ElicitationPattern,
    PatternDetails, Prompt, TypeMetadata,
};

/// Macro to implement Elicitation for floating-point types using Default wrappers.
///
/// This macro generates Elicitation implementations that delegate to
/// the corresponding Default wrapper type (e.g., f32 -> F32Default).
macro_rules! impl_float_elicit_via_wrapper {
    ($primitive:ty, $wrapper:ident, $style:ident) => {
        crate::default_style!($primitive => $style);

        impl Prompt for $primitive {
            fn prompt() -> Option<&'static str> {
                Some(concat!("Please enter a ", stringify!($primitive), " number:"))
            }
        }

        impl Elicitation for $primitive {
            type Style = $style;

            #[tracing::instrument(skip(communicator), fields(type_name = stringify!($primitive)))]
            async fn elicit<C: ElicitCommunicator>(communicator: &C) -> ElicitResult<Self> {
                use crate::verification::types::$wrapper;

                tracing::debug!(concat!("Eliciting ", stringify!($primitive), " via ", stringify!($wrapper), " wrapper"));

                // Use verification wrapper internally
                let wrapper = $wrapper::elicit(communicator).await?;

                // Unwrap to primitive
                Ok(wrapper.into_inner())
            }

    fn kani_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::$wrapper;
        <$wrapper as crate::Elicitation>::kani_proof()
    }

    fn verus_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::$wrapper;
        <$wrapper as crate::Elicitation>::verus_proof()
    }

    fn creusot_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::$wrapper;
        <$wrapper as crate::Elicitation>::creusot_proof()
    }
}

        impl ElicitIntrospect for $primitive {
            fn pattern() -> ElicitationPattern {
                ElicitationPattern::Primitive
            }

            fn metadata() -> TypeMetadata {
                TypeMetadata {
                    type_name: stringify!($primitive),
                    description: <Self as Prompt>::prompt(),
                    details: PatternDetails::Primitive,
                }
            }
        }
    };
}

// Apply macro to floating-point types
impl_float_elicit_via_wrapper!(f32, F32Default, F32Style);
// f64 implementation below (already uses F64Default)

// f64 implementation using F64Default verification wrapper
crate::default_style!(f64 => F64Style);

impl Prompt for f64 {
    fn prompt() -> Option<&'static str> {
        Some("Please enter a number:")
    }
}

impl Elicitation for f64 {
    type Style = F64Style;

    #[tracing::instrument(skip(communicator), fields(type_name = "f64"))]
    async fn elicit<C: ElicitCommunicator>(communicator: &C) -> ElicitResult<Self> {
        use crate::verification::types::F64Default;

        tracing::debug!("Eliciting f64 via F64Default wrapper");

        // Use verification wrapper internally
        let wrapper = F64Default::elicit(communicator).await?;

        // Unwrap to primitive
        Ok(wrapper.into_inner())
    }

    fn kani_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::F64Default;
        <F64Default as crate::Elicitation>::kani_proof()
    }

    fn verus_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::F64Default;
        <F64Default as crate::Elicitation>::verus_proof()
    }

    fn creusot_proof() -> proc_macro2::TokenStream {
        use crate::verification::types::F64Default;
        <F64Default as crate::Elicitation>::creusot_proof()
    }
}

impl ElicitIntrospect for f64 {
    fn pattern() -> ElicitationPattern {
        ElicitationPattern::Primitive
    }

    fn metadata() -> TypeMetadata {
        TypeMetadata {
            type_name: "f64",
            description: Self::prompt(),
            details: PatternDetails::Primitive,
        }
    }
}