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Rollup merge of #82456 - klensy:or-else, r=estebank

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Replaced some unwrap_or and map_or with lazy variants

Replaced some `unwrap_or` and `map_or` with `unwrap_or_else` and `map_or_else`.
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Guillaume Gomez 2021-02-26 15:52:31 +01:00 • committed by GitHub
commit 039b1b62ac
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17 changed files with 34 additions and 28 deletions
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compiler/rustc_session/src/filesearch.rs
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@ -169,7 +169,7 @@ pub fn get_or_default_sysroot() -> PathBuf {
// Check if sysroot is found using env::args().next(), and if is not found,
// use env::current_exe() to imply sysroot.
from_env_args_next().unwrap_or(from_current_exe())
from_env_args_next().unwrap_or_else(from_current_exe)
}
// The name of the directory rustc expects libraries to be located.