instruct 0.1.0

A language to write general purpose 'makefile like' tasks which are powerful and reuseable
Documentation 
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module as variables;

collection as interpolate: {
    let (final_stdout: stdout) from task as stdout: {
        let (pre_var: var) from block as pre: {
            let (var: stdout) from run with (trim_stdout): echo pre;
            run: echo dyn_${var};
        };
        let (stdout) from run with (trim_stdout) as main: echo interpolated '${pre_var}' used in main;
        block as post: {
            let (stdout) from run with (stdin: stdout): sed s/main/post/g;
            run: echo ${stdout};
        };
    };

    task as call: {
        let (final_stdout) from call as main: variables.interpolate.stdout;
        run as post: echo ${final_stdout} used after call;
    };

    task as exit-code: {
        let (status1: status) from run as pre: cat Cargo.toml;
        let (status2: status) from run as main: cat random_file.json;
        run as post: echo "cat Cargo.toml: $${status1}, cat random_file.json: $${status2}";
    };
};