rk-utils 0.2.2

A collection of utility functions and data structures for rust.
Documentation 
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#![doc = include_str!("../README.md")]

mod str;
mod topo_sort;
mod trie;

pub use crate::str::StringUtil;
pub use crate::topo_sort::{topo_sort, DepGraph};
pub use crate::trie::Trie;

#[macro_export]
macro_rules! to_matches {
    // to_matches!(Enum::variant(val) if val > 0)
    ($pattern:pat $(if $guard:expr)? $(,)?) => {
        |ttt| match ttt {
            $pattern $(if $guard)? => true,
            _ => false
        }
    };
}

#[macro_export]
macro_rules! e_value {
    // e_value!(enum_value, Enum::variant)
    ($enum:expr, $variant:pat) => {
        match $enum {
            $variant(val) => Some(val),
            _ => None,
        }
    };
    // e_value!(enum_value, Enum::variant if val > 0)
    ($enum:expr, $variant:pat $(if $guard:expr)? $(,)?) => {
        match $enum {
            $variant(val) $(if $guard)? => Some(val),
            _ => None,
        }
    };
}

#[cfg(test)]
mod tests;