sim-value 0.1.0-rc.1

Ergonomic construction and access for kernel Expr data.
Documentation 
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//! The one `Expr` variant classifier.

use sim_kernel::Expr;

/// A short, stable token naming the `Expr` variant.
pub fn expr_kind(value: &Expr) -> &'static str {
    match value {
        Expr::Nil => "nil",
        Expr::Bool(_) => "bool",
        Expr::Number(_) => "number",
        Expr::Symbol(_) => "symbol",
        Expr::Local(_) => "local",
        Expr::String(_) => "string",
        Expr::Bytes(_) => "bytes",
        Expr::List(_) => "list",
        Expr::Vector(_) => "vector",
        Expr::Map(_) => "map",
        Expr::Set(_) => "set",
        Expr::Call { .. } => "call",
        Expr::Infix { .. } => "infix",
        Expr::Prefix { .. } => "prefix",
        Expr::Postfix { .. } => "postfix",
        Expr::Block(_) => "block",
        Expr::Quote { .. } => "quote",
        Expr::Annotated { .. } => "annotated",
        Expr::Extension { .. } => "extension",
    }
}