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doc: std::env::var: Returns None for names with '=' or NUL byte #128902

Merged
merged 2 commits into from
Aug 19, 2024
Merged

doc: std::env::var: Returns None for names with '=' or NUL byte #128902

merged 2 commits into from
Aug 19, 2024

Commits on Aug 9, 2024

  1. doc: std::env::var: Returns None for names with '=' or NUL byte 

    The documentation incorrectly stated that std::env::var could return
an error for variable names containing '=' or the NUL byte. Copy the
correct documentation from var_os.

var_os was fixed in Commit 8a7a665, Pull Request rust-lang#109894, which
closed Issue rust-lang#109893.

This documentation was incorrectly added in commit f2c0f29, which
replaced a panic in var_os by returning None, but documented the
change as "May error if ...".

Reference the specific error values and link to them.
    @evanj
    evanj committed Aug 9, 2024
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Commits on Aug 18, 2024

  1. code review improvements

    @evanj
    evanj committed Aug 18, 2024
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