EnvironmentSetErrorReason

Identifies portable validation/storage failures of explicit environment edits. No host environment mutation occurs; the owning error retains the rejected entry.

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Module std.process

import std.process;

Public declaration contracts and authored examples. A page can document several related symbols. Implementation bodies are excluded.

EnvironmentSetErrorReason

pub enum EnvironmentSetErrorReason

Identifies portable validation/storage failures of explicit environment edits. No host environment mutation occurs; the owning error retains the rejected entry.

EnvironmentSetErrorReason.InvalidName

InvalidName;

Empty name or an equals unit cannot be a public environment key.

EnvironmentSetErrorReason.MixedRepresentation

MixedRepresentation;

Name/value or existing entries use different native unit kinds.

EnvironmentSetErrorReason.Storage

Storage;

Insertion could not acquire vector storage; existing entries unchanged.

EnvironmentSetErrorReason.Storage.Reason

Reason: AllocationError;

EnvironmentSetErrorReason.Windows

Windows;

Explicit Windows startup insertion could not apply native name policy.

EnvironmentSetErrorReason.Windows.Reason

Reason: WindowsEnvironmentError;

Documentation snapshot: October 24, 2026 About versions ↗