Skip to content

Fix environment variable getter docs #88109

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 19, 2021
Merged

Fix environment variable getter docs #88109

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 14 additions & 5 deletions library/std/src/env.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -185,9 +185,13 @@ impl fmt::Debug for VarsOs {
///
/// # Errors
///
/// Returns `[None]` if the environment variable isn't set.
/// Returns `[None]` if the environment variable is not valid Unicode. If this is not
/// desired, consider using [`var_os`].
/// This function will return an error if the environment variable isn't set.
///
/// This function may return an error if the environment variable's name contains
/// the equal sign character (`=`) or the NUL character.
///
/// This function will return an error if the environment variable's value is
/// not valid Unicode. If this is not desired, consider using [`var_os`].
///
/// # Examples
///
Expand Down Expand Up @@ -221,8 +225,13 @@ fn _var(key: &OsStr) -> Result<String, VarError> {
///
/// # Errors
///
/// Returns `[None]` if the variable isn't set.
/// May return `[None]` if the variable value contains the NUL character.
/// This function returns an error if the environment variable isn't set.
///
/// This function may return an error if the environment variable's name contains
/// the equal sign character (`=`) or the NUL character.
///
/// This function may return an error if the environment variable's value contains
/// the NUL character.
///
/// # Examples
///
Expand Down