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Resolve Mainframer version during build. #195

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merged 1 commit into from Mar 1, 2018
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Resolve Mainframer version during build. #195

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2 changes: 1 addition & 1 deletion src/main.rs
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Expand Up @@ -14,7 +14,7 @@ use std::time::Instant;
use time::*;

fn main() {
println!(":: Mainframer v2.1.0\n");
println!(":: Mainframer v{}\n", env!("CARGO_PKG_VERSION"));
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How does it even work though? When runtime is packaged as a binary it exports environment variables itself?

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env! is a macro that compiler executes at build time, CARGO_PKG_VERSION is an environment variable provided by cargo to rustc during the build, so as a result we get version inlined into the code and binary

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These native folks will steal your soul eventually, you know. Avoid blood-involved rituals at all costs.

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lol, will try

btw Kotlin might get macros support eventually


let args = match Args::parse(env::args().skip(1).collect()) {
Err(message) => exit_with_error(&message, 1),
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