symbolica 0.2.1

A blazing fast computer algebra system
Documentation 
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use symbolica::{
    id::Pattern,
    representations::Atom,
    state::{ResettableBuffer, State, Workspace},
};

fn main() {
    let mut state = State::new();
    let workspace = Workspace::default();

    let expr = Atom::parse(" f(1,2,x) + f(1,2,3)", &mut state, &workspace).unwrap();
    let pat = Pattern::parse("f(1,2,y_)", &mut state, &workspace).unwrap();
    let rhs = Pattern::parse("f(1,2,y_+1)", &mut state, &workspace).unwrap();

    let mut out = Atom::new();
    pat.replace_all(
        expr.as_view(),
        &rhs,
        &state,
        &workspace,
        None,
        None,
        &mut out,
    );
    println!("{}", out.printer(&state));
}