ama 0.1.4

Quasi-quotation system for designing procedural macros mixed with Rust code. failed to build ama-0.1.4
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Anonymous Procedural Macro

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Compiled on the nightly channel of Rust. Use rustup for managing compiler channels. Download the exact same version of the compiler used with rustup override add nightly-2016-08-12.

This library is used for anonymously escaping code inside Rust code and avoiding repeating my_language!(code) everywhere. This is a tool for people implementing procedural macros and trying to integrate their language into Rust. It uses an escape mechanism (the # symbol) to specify we enter the user-language world.

Example with the pcp EDSL (truncated and modified for clarity):

pcp! {
  // ...
  for _ in 0..n {
    let n: i32 = n as i32;
    queens.push(#(variables <- 0..n));
  for i in 0..n-1 {
    for j in i + 1..n {
      let a = i as i32;
      let b = j as i32;
        constraints <- queens[i] + a != queens[j] + b;
        constraints <- queens[i] - a != queens[j] - b;
  // ...

Traditional Rust code is in the macro pcp! but we easily escape our user-defined language with #(code) or #{code} depending on the nature of the generated code (expression or statements). Control will be given to the user-compiler (parameter of the main function compile_anonymous_macro) for the code inside # and the generated Rust code will be automatically inserted.


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