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use genco::prelude::*; | ||
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fn main() -> Result<(), genco::fmt::Error> { | ||
let tokens: python::Tokens = quote!($[str](Hello World)); | ||
assert_eq!("\"Hello World\"", tokens.to_string()?); | ||
Ok::<_, genco::fmt::Error>(()) | ||
} |
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use std::env; | ||
use std::process::Command; | ||
use std::str; | ||
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fn main() { | ||
println!("cargo:rerun-if-changed=build.rs"); | ||
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let version = rustc_version().unwrap_or(RustcVersion { | ||
minor: u32::MAX, | ||
nightly: false, | ||
}); | ||
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if version.nightly { | ||
println!("cargo:rustc-cfg=proc_macro_span"); | ||
} | ||
} | ||
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struct RustcVersion { | ||
#[allow(unused)] | ||
minor: u32, | ||
nightly: bool, | ||
} | ||
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fn rustc_version() -> Option<RustcVersion> { | ||
let rustc = env::var_os("RUSTC")?; | ||
let output = Command::new(rustc).arg("--version").output().ok()?; | ||
let version = str::from_utf8(&output.stdout).ok()?; | ||
let nightly = version.contains("nightly") || version.contains("dev"); | ||
let mut pieces = version.split('.'); | ||
if pieces.next() != Some("rustc 1") { | ||
return None; | ||
} | ||
let minor = pieces.next()?.parse().ok()?; | ||
Some(RustcVersion { minor, nightly }) | ||
} |
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