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Link between std::env::{var, var_os} and std::env::{vars, vars_os}

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r00ster91 2021-04-29 13:15:49 +02:00
parent d337cec9af
commit d0c0b8a4a3
1 changed files with 11 additions and 2 deletions
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13
library/std/src/env.rs
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@ -124,6 +124,10 @@ pub fn vars() -> Vars {
/// variables at the time of this invocation. Modifications to environment
/// variables afterwards will not be reflected in the returned iterator.
///
/// Note that the returned iterator will not check if the environment variables
/// are valid Unicode. If you want to panic on invalid UTF-8,
/// use the [`vars`] function instead.
///
/// # Examples
///
/// ```
@ -180,8 +184,9 @@ impl fmt::Debug for VarsOs {
///
/// # Errors
///
/// * Environment variable is not present
/// * Environment variable is not valid unicode
/// Errors if the environment variable is not present.
/// Errors if the environment variable is not valid Unicode. If this is not desired, consider using
/// [`var_os`].
///
/// # Panics
///
@ -221,6 +226,10 @@ fn _var(key: &OsStr) -> Result<String, VarError> {
/// `'='` or the NUL character `'\0'`, or when the value contains the NUL
/// character.
///
/// Note that the method will not check if the environment variable
/// is valid Unicode. If you want to have an error on invalid UTF-8,
/// use the [`var`] function instead.
///
/// # Examples
///
/// ```