rustc_builtin_macros
1.79.0-nightly
(e3181b091 2024-04-18)
Module env
Functions
In crate rustc_builtin_macros
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rustc_builtin_macros
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Functions
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expand_env
expand_option_env
is_cargo_env_var
🔒
Returns
true
if an environment variable from
env!
is one used by Cargo.
lookup_env
🔒